DatacircleEmail verification API pricing: plans compared
Email verification APIs side by side: the fields each returns and what 1,000 emails cost.
Best email verification API in 2026| API | Score | Price | Not found | Addresses judged | Time per address | The validation call | Aggregators | Waterfall | Charges | Overage | Catch-all | Bounce | In their words | Data | Plan | Rate limit | Speed | The call | About the plan | Sources | ||||||||||||||||||||||||||||||||||
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| API plan | Overall score | Price score | Data score | Cost to get started score | Bundle score | Performance score | $ per 1,000 | Billing | $ a month | $ per 1,000 | Called | Real, said valid | Bounced, said invalid | Wrong | Unsure | Median | 10th percentile | 90th percentile | Fastest | Slowest | Baseline | Call | Charged per address | Aggregators | Waterfall | Repeat free | Per | Monthly fee | Extra fields | Also pays for | $ per 1,000 | Add-ons | $ per 1,000 | Bounce refund | Their pitch | Freshness | Keep data | Use data | Pay | You get | Enough for | Expires | Per day | Per second | Concurrent | Batch | Answer | Median | You send | Method | Path | Plan | Who can get it | Read from |
| Validate email · 60 of 151 plans | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Enrich.so, $149 monthly, Scale, POST /email-validation | 80.8 | 98 | 76 | 70 | 95 | 25 | $0.298 | monthly | $149 | $0.00 | 19 of 19 | 9 of 13 | 5 of 6 | 0 of 19 | 5 of 19 | 1.50 s | 1.22 s | 2.41 s | 1.07 s | 2.69 s | 0.48 s | POST dev.enrich.so/api/v3/email-validation | $0.00049, nothing when risky | none | call | Lead Finder search · from the same budget: Email Finder · Phone Finder · Reverse Email Lookup · Employee Finder · Company Followers · Follower count preview · IP to Company · Line Intelligence · Workbench · Submit a domain search · Reveal contact info · Enrich contacts with specific fields · Export leads to CSV (async) · Validate emails in batch · Find emails in batch · Find a personal email by LinkedIn URL · Find personal emails in batch · Find phone numbers in batch · Look up professional profiles in batch · Cascading ICP people search | $0.298 | $0.00 | The Email Validation API confirms that email addresses are valid and can receive messages. It performs real-time SMTP verification, detects catch-all domains, identifies disposable email providers, and checks for syntax and DNS issues. | live | no limit, but its service's content is not copied, modified or distributed without Enrich.so's prior written consent | You may only use the Services in compliance with these Terms and all applicable local, state, national and international laws, rules and regulations. [...] You may use our Services, on a non-exclusive basis, solely in strict compliance with these Terms, which may be updated from time to time, and applicable law. [...] users must not engage in any activities that are illegal, fraudulent, or malicious. Users must also not engage in any activities that could cause damage or harm to Enrich.so or its users. Any misuse of our service is strictly prohibited. [...] Users may not copy, modify, or distribute any of our service's content or use it for any commercial purpose without our prior written consent. | $149 | 500,000 credits a month | 500,000 calls a month | at the monthly renewal, no rollover | 16.67 | 1 | in the call | 1.50 s | POST | /email-validation | Scale | anyone 18 or over, for an organization, someone with authority to bind it | ||||||||||
| GetProspect, $369 pack, 1,000,000 verifications, POST /v2/email/verify | 79.0 | 97 | 88 | 67 | 50 | 12 | $0.369 | pay first | $0.00 | 19 of 19 | 10 of 13 | 6 of 6 | 0 of 19 | 3 of 19 | 3.21 s | 0.34 s | 22.23 s | 0.27 s | 63.11 s | 0.23 s | POST api.getprospect.com/v2/email/verify | $0.0029, nothing when catch-all | none | no limit | call | from the same budget: Bulk email verifications (/v2/email-verifications) | $0.00 | Check whether an email address is deliverable. | live | no limit, data resold or embedded in your own product only while an eligible plan is active | personal or internal business use, or resale and embedding on an eligible paid or API plan (no re-brokering or competing database, its terms flowed down to end customers), lawful only, not for FCRA purposes (credit, insurance, employment, government benefits) | $369 | 1,000,000 credits | 1,000,000 calls | never, while the workspace is active | 1 | in the call | 3.21 s | data.email | POST | /v2/email/verify | 1,000,000 verifications | anyone 16 or over | |||||||||||
| treg, top-up from $10 | 76.5 | 88 | 72 | 93 | 100 | 11 | $0.00 | pay first | $26.95 | 19 of 19 | 10 of 13 | 4 of 6 | 0 of 19 | 5 of 19 | 3.57 s | 2.76 s | 6.62 s | 2.48 s | 19.10 s | 0.28 s | POST treg.to/call/treg.people.email.verify | $0, on our own LeadMagic key ($0.005 at LeadMagic) | none | ContactOut (contactout.people.email.verify) $0.00, finds 100% · Kitt AI (trykitt.people.email.verify) $1.50, finds 100% · MillionVerifier (millionverifier.people.email.verify) $1.78, finds 100% · Dropleads (dropleads.people.email.verify) $1.80, finds 100%, misses billed · BounceBan (bounceban.people.email.verify) $4.00, finds 99%, misses billed · LimaData (limadata.people.email.verify) $6.00, finds 100% · LeadMagic (leadmagic.people.email.verify) $6.25, finds 100% · Scrubby (scrubby.people.email.verify) $8.00, finds 100% · Tomba (tomba.people.email.verify) $8.90, finds 100%, misses billed · Hunter (hunter.people.email.verify) $12.25, finds 99%, misses billed · ZeroBounce (zerobounce.people.email.verify) $13.80, finds 96% · Sixtyfour AI (sixtyfour.people.email.verify) $24.00, finds 72% | call | from the same budget: 4,000 other calls | Verify an email address — treg picks the provider (own keys first, then cheapest) and names the one that served | no limit | any but spam or bulk unsolicited email, and not against the terms, rate limits or anti-abuse measures of any upstream API, inside your own product, with your own billing layer and the pass-through attribution mechanics, too | $10 | $10 | no limit | 1 | in the call | 3.57 s | email. Optional: X-Treg-Route-Waterfall, X-Treg-Route-Max-Cost, X-Treg-Route-Prefer, X-Treg-Route-Exclude | POST | /call/treg.people.email.verify | Top-up of $10 to $49 | anyone 16 or over | ||||||||||||||
| KaijuVerifier, $149 monthly, Scale, POST /api/v1/verify-single | 75.4 | 93 | 56 | 70 | 83 | 80 | $0.596 | monthly | $149 | $0.00 | 19 of 19 | 8 of 13 | 3 of 6 | 0 of 19 | 8 of 19 | 0.47 s | 0.31 s | 1.22 s | 0.28 s | 1.34 s | 0.37 s | POST kaijuverifier.com/api/v1/verify-single | $0.0019, nothing when risky | none | call | from the same budget: Verify a single email (authenticated) · Verify a batch synchronously · Submit an async bulk job · Verify a batch synchronously with the SMTP probe · Submit an async bulk job with the SMTP probe | $2.00 | 5,000 credits once for $19 ($3.80 per 1,000) · 25,000 credits once for $79 ($3.16 per 1,000) · 100,000 credits once for $249 ($2.49 per 1,000) · 500,000 credits once for $899 ($1.798 per 1,000) | $0.00 | the verification credits in full, when the campaign's hard-bounce rate exceeds 2% on addresses verified as Valid | Block fake signups, burner accounts, and hard bounces at the edge in 3 lines of code. | live | no limit | You agree NOT to use the Service for: Sending SPAM or unsolicited bulk emails, Verifying email lists obtained illegally or without consent, Any activity that violates GDPR, CAN-SPAM, or other data protection laws, Attempting to reverse engineer, hack, or abuse the Service, Reselling or redistributing verification results without authorization | $149 | 250,000 credits a month | 250,000 calls a month | unused monthly credits roll over to the next billing cycle, up to 1x the monthly limit | 1 | in the call | 0.47 s | email, use_smtp "true" | POST | /api/v1/verify-single | Scale | anyone | ||||||||
| WizLeads, $449 quarterly, Cartel, GET /email/verify-email | 75.0 | 78 | 88 | 56 | 91 | 15 | $0.748 | quarterly | $149.67 | $0.748 | 19 of 19 | 10 of 13 | 6 of 6 | 3 of 19 | 0 of 19 | 2.60 s | 1.57 s | 4.78 s | 1.28 s | 5.52 s | 0.29 s | GET api.wizleads.io/email/verify-email | $0.0019 | none | call | from the same budget: Create Task · Create Task (Account-Less Mode) · Find Work Email · Find Work Email (Batch) · Find Personal Email · Verify Email (Batch) · Find Mobile Number · Enrich Profile · Enrich Company · Get LinkedIn ID of Company | $0.748 | Verify whether an email address is valid and deliverable. Also performs catch-all validation. Credits are charged for every email processed, regardless of the result. | live | no limit | You agree to: Use the service in compliance with all applicable laws and LinkedIn's Terms of Service, Not use the service for spam, harassment, or any illegal activities, Procure requisite permissions for accessing websites and data through the service, Abstain from extracting substantial portions of databases in violation of third-party rights, Refrain from unauthorized access to confidential or proprietary information, Observe all third-party rights, including but not limited to copyrights, patents, trademarks, trade secrets, and other intellectual property or proprietary rights, Comply with all pertinent laws, statutes, ordinances, and regulations, inclusive of those related to the protection of personal data (including GDPR and other data protection laws), Respect rate limits and usage guidelines, Maintain the confidentiality of your account credentials, Not share, resell, or redistribute the service without permission. [...] By creating an account, you grant us a perpetual worldwide license to use your company's name and logo(s) for the sole purpose of our marketing and sales efforts, such as listing you as a customer on our website, in case studies, or in promotional materials. | $449 | 300,000 credits a quarter | 600,000 calls a quarter | credits roll over for 1 quarter | 10 | 1 | in the call | 2.60 s | GET | /email/verify-email | Cartel | anyone | |||||||||||
| Neutrino API, $50 monthly, Tier 2, GET /email-verify | 74.6 | 85 | 75 | 78 | 95 | 8 | $0.333 | monthly | $50 | 12 of 19 | 8 of 8 | 2 of 4 | 2 of 12 | 0 of 12 | 4.56 s | 2.91 s | 9.09 s | 2.15 s | 15.05 s | 0.04 s | GET neutrinoapi.net/email-verify | $0.0015 | none | call | Bad Word Filter · BIN Lookup · Browser Bot · Convert · Domain Lookup · Email Validate · Geocode Address · Geocode Reverse · Host Reputation · HTML Clean · HTML Render · Image Resize · Image Watermark · IP Blocklist · IP Info · IP Probe · Phone Validate · QR Code · UA Lookup · URL Info | $1.50 | Perform in-depth SMTP based email address verification. Verify real users and filter out low-quality email addresses. | live | no limit | The user may create derivative products using our APIs including the data returned from our APIs with the exception of 4.2 below. [...] The user may not distribute, resell or transfer bulk API data to anyone other than the Licensee. Bulk API data is any data returned from any API which includes more than one single data record. [...] as well as any bulk data obtained by storing API response data on your own systems. [...] The user may not embed our APIs into client-side (e.g. JavaScript), desktop or mobile software without the protection of a server-side process or strong encryption. [...] The user may not allow anyone other than Licensee, Licensee’s employees, Licensee’s contractors or Licensee’s vendors to access our APIs or data without the suppliers express written permission. | $50 | 5,000 requests a day | 5,000 calls a day | refreshed at midnight in your account's timezone setting | 2 | 50 | 1 | in the call | 4.56 s | email. Optional: fix-typos | GET | /email-verify | Tier 2 | anyone | ||||||||||
| Sealch, $33 monthly, Monthly up to 100,000 / mo, POST /api/verify | 73.7 | 97 | 56 | 81 | 67 | 50 | $0.33 | monthly | $33 | $0.00 | 19 of 19 | 8 of 13 | 3 of 6 | 0 of 19 | 8 of 19 | 0.76 s | 0.41 s | 2.31 s | 0.40 s | 2.47 s | 0.27 s | POST sealch.com/api/verify | $0.0009 | none | call | from the same budget: Verify up to 50 emails · Find an address | 10,000 credits once for $15 ($1.50 per 1,000) · 25,000 credits once for $27 ($1.08 per 1,000) · 50,000 credits once for $37 ($0.74 per 1,000) · 100,000 credits once for $49 ($0.49 per 1,000) · 250,000 credits once for $109 ($0.436 per 1,000) · 500,000 credits once for $199 ($0.398 per 1,000) · 1,000,000 credits once for $349 ($0.349 per 1,000) · 2,000,000 credits once for $649 ($0.325 per 1,000) | $0.33 | Sealch is an email verification service that runs the same live SMTP check as the premium tools — catch-all detection, 99.2% accuracy, and you're never charged for unknowns. | live | no limit | use the Service only for lawful purposes. You must not: Use the Service to verify email addresses for spam, phishing, harassment, or any illegal communication, Attempt to circumvent plan limits through automated account creation or credential sharing across organizations, Resell, redistribute, or sublicense access to the Service or API without written permission, Reverse-engineer, decompile, or attempt to extract the source code of the Service, Use the Service to build a competing email verification product, Submit email addresses you do not have a legitimate business reason to verify | $33 | 100,000 credits a month | 100,000 calls a month | unused volume does not carry over | 1 | in the call | 0.76 s | email, Content-Type header "application/json" | POST | /api/verify | Monthly up to 100,000 / mo | anyone | ||||||||||
| Emelia, $499 monthly | 73.1 | 63 | 100 | 62 | 83 | 5 | $1.248 | monthly | $499 | $1.248 | 19 of 19 | 13 of 13 | 6 of 6 | 0 of 19 | 0 of 19 | 7.01 s | 3.32 s | 10.56 s | 3.12 s | 14.94 s | 0.37 s | POST api.emelia.io/tools/verify/email, then its job id until done | $0.0047 | none | call | from the same budget: Email Finder · Phone Finder · Emails of a LinkedIn extraction · Employee search · Company search | $1.248 | Clean your lists in real time, kill your bounce rate, and protect your sender reputation, for 10x less than every other verifier. | live | no limit | Users may not, therefore, use such content in any way that is not necessary or implicit in the proper use of the Service. In particular, but without limitation, Users may not copy, download, share (beyond the limits set forth below), modify, translate, transform, publish, transmit, sell, sublicense, edit, transfer/assign to third parties or create derivative works from the content available on this Application [...]. Users may not reproduce, duplicate, copy, sell, resell, or exploit any portion of this Application and of its Service without the Owner’s express prior written permission granted either directly or through a legitimate reselling program. | $499 | 100,000 credits a month | 400,000 calls a month | 1 year | 1 | by polling | 7.01 s | POST | /tools/verify/email | 100,000 credits per month | Users that do not qualify as Consumers, such as Business Users | ||||||||||||
| Verimail, $299 monthly | 72.8 | 98 | 54 | 65 | 67 | 61 | $0.299 | monthly | $299 | $0.00 | 19 of 19 | 7.5 of 13 | 3 of 6 | 0 of 19 | 8.5 of 19 | 0.62 s | 0.22 s | 4.92 s | 0.21 s | 5.15 s | 0.38 s | POST api.verimail.io/v3/verify | $0.004, nothing when unknown | none | call | from the same budget: File verification · Lighter check | 1,000 credits once for $4 ($4.00 per 1,000) · 2,500 credits once for $8 ($3.20 per 1,000) · 5,000 credits once for $12 ($2.40 per 1,000) · 10,000 credits once for $20 ($2.00 per 1,000) · 25,000 credits once for $40 ($1.60 per 1,000) · 50,000 credits once for $65 ($1.30 per 1,000) · 100,000 credits once for $100 ($1.00 per 1,000) · 250,000 credits once for $200 ($0.80 per 1,000) · 500,000 credits once for $320 ($0.64 per 1,000) · 1,000,000 credits once for $500 ($0.50 per 1,000) · 2,500,000 credits once for $1,000 ($0.40 per 1,000) · 5,000,000 credits once for $1,600 ($0.32 per 1,000) | $0.299 | One HTTP call per address, at signup, checkout or in a lead form. A verdict with its reason, or an honest unknown that costs nothing, inside the timeout you set. | live | no limit | You keep all rights to the data you submit and to the results we return to you. You may only submit email addresses that you have the right to process. [...] You must not use the service: to verify addresses you have harvested, scraped, purchased without a lawful basis, or otherwise have no right to process, to build or clean lists for unsolicited bulk email or any activity that breaches anti-spam law, to probe, overload or interfere with the service, to circumvent rate limits or the free tier, or to resell the service without our written agreement, in a way that damages the reputation of our verification infrastructure with mail providers. | $299 | 1,000,000 credits a month | 1,000,000 calls a month | unused plan credits do not carry over | 1 | in the call | 0.62 s | email. Optional: timeout, evidence | POST | /v3/verify | Enterprise | businesses and professionals, not directed at anyone under 18 | ||||||||||
| OneShot, top-up from $0.01, Card via Stripe Checkout | 72.6 | 70 | 88 | 93 | 50 | 23 | $1.00 | pay first | 19 of 19 | 10 of 13 | 6 of 6 | 3 of 19 | 0 of 19 | 1.65 s | 1.44 s | 2.95 s | 1.43 s | 13.25 s | 0.31 s | POST win.oneshotagent.com/v1/tools/lookup/person-email-status, its quote then its request polled | $0.001 | none | call | from the same budget: every paid call | Checks whether an email address is deliverable, using MX records, mailbox existence, and other signals. The job result says whether the address is valid, deliverable, catch-all, or disposable. | live | no limit | only as necessary or implicit in the proper use of the Service, under its terms and applicable law, no selling, sublicensing or transferring its content to third parties, no reselling any portion of the Service without Freebutter AI's written permission | $0.01 | $0.01 | 10 calls | 1 | 1 | by polling | 1.65 s | POST | /v1/tools/lookup/person-email-status | Card via Stripe Checkout | anyone, consumer or business, not in a country under a U.S. government embargo or on a U.S. restricted-party list, paying by card through Stripe Checkout | |||||||||||||||
| DeBounce, $414 monthly, 500K credits, Monthly, GET /v1/, Single email validation | 72.2 | 88 | 56 | 63 | 80 | 75 | $0.828 | monthly | $414 | $0.00 | 19 of 19 | 8 of 13 | 3 of 6 | 0 of 19 | 8 of 19 | 0.50 s | 0.32 s | 0.66 s | 0.29 s | 1.32 s | 0.41 s | GET api.debounce.io/v1/ | $0.0028, nothing when unknown | Clay: your key no Data Credits, 1 Action per call (Actions start at less than $0.01 each), paid, no fixed price, this call or another DeBounce call | call | avatar: +$0.828 · full name, avatar: +$16.56 | from the same budget: Bulk email validation · Lead finder · List monitoring · Data enrichment | $0.828 | extra credits when a batch of 1,000 or more sent within 48 hours bounces past its 97.5% guarantee (3% of the credits for each 1% under), all your money back past 8% bounces, asked for by feedback form within 30 days | The DeBounce email validation API provides real-time and bulk email verification for developers, platforms, CRMs, signup forms, and marketing systems. Validate single email addresses instantly or process large email lists through the same API infrastructure. | live | no limit | You must not misuse our Service [...] You must not use this website to transmit or send unsolicited commercial communications. You must not use this website in any other ways than the ways mentioned. [...] You must not use DeBounce services for data mining or email harvesting. | $414 | 500,000 credits a month | 500,000 calls a month | never | 5 | 1 | in the call | 0.50 s | email. Optional: photo, append, gsuite | GET | /v1/ | 500K credits, Monthly | anyone over 18 | ||||||||
| MyEmailVerifier, $299 monthly, Monthly Subscription, 1,000,000 emails + 50,000 bonus, GET /verifier/validate_single/{email}/{API_KEY} | 72.1 | 98 | 62 | 65 | 83 | 3 | $0.285 | monthly | $299 | $0.00 | 5 of 19 | 2 of 2 | 1 of 3 | 0 of 5 | 2 of 5 | 13.82 s | 4.94 s | 24.51 s | 2.72 s | 27.18 s | 0.55 s | GET client.myemailverifier.com/verifier/validate_single | $0.0038 | none | call | from the same budget: Upload File for Bulk Verification · Prompt Search · LinkedIn Finder · Find Email from LinkedIn URL · Reveal Contact | $0.285 | never | Verify email addresses on demand as a user types them into a form [...] | live | no limit | You must not use the Website to transmit or send unsolicited advertisements, marketing contents or commercial contents. You must not use the Website in any way that causes or may cause damage to the Website or its availability and accessibility. You must not use the Website in any way that is illegal, unlawful, harmful, fraudulent, or in connection with any illegal, unlawful, harmful or fraudulent purpose or activity. You must not use MyEmailVerifier for any purpose that is either unlawful or prohibited by these Terms and Conditions, you must not use the Website in any way other than the ways mentioned. | $299 | 1,050,000 credits a month | 1,050,000 calls a month | never | 0.5 | 1 | in the call | 13.82 s | GET | /verifier/validate_single/{email}/{API_KEY} | Monthly Subscription, 1,000,000 emails + 50,000 bonus | anyone | ||||||||||
| Reoon, $9 monthly, Daily Credits, GET /verify | 70.5 | 93 | 60 | 90 | 50 | 26 | $0.60 | monthly | $9 | $0.00 | 19 of 19 | 9 of 13 | 3 of 6 | 0 of 19 | 7 of 19 | 1.45 s | 0.78 s | 3.79 s | 0.70 s | 4.61 s | 0.39 s | GET emailverifier.reoon.com/api/v1/verify mode=power | $0.0006 | none | call | from the same budget: Bulk Email Verification | 10,000 credits once for $11.90 ($1.19 per 1,000) · 25,000 credits once for $29.66 ($1.186 per 1,000) · 50,000 credits once for $58.95 ($1.179 per 1,000) · 100,000 credits once for $116.40 ($1.164 per 1,000) · 500,000 credits once for $522 ($1.044 per 1,000) · 1,000,000 credits once for $972 ($0.972 per 1,000) | $0.60 | Integrate email verification into your app with our simple REST API. Verify emails at signup or clean lists in bulk programmatically. | live | no API terms | no API terms | $9 | 500 credits a day | 500 calls a day | at the end of each day, unused daily credits don't carry over | 5 | 1 | in the call | 1.45 s | email, mode=power | GET | /verify | Daily Credits | anyone | |||||||||
| Verifly, $349 pack, Business, GET /verify | 70.2 | 91 | 56 | 68 | 75 | 40 | $0.698 | pay first | $0.00 | 19 of 19 | 8.1 of 13 | 3 of 6 | 0 of 19 | 7.9 of 19 | 0.94 s | 0.74 s | 1.55 s | 0.69 s | 4.48 s | 0.28 s | GET verifly.email/api/v1/verify | $0.002, nothing when risky | none | call | from the same budget: Verify up to 100 email addresses synchronously · Create an asynchronous bulk verification job · Clean (and optionally verify and save) a list | $0.00 | Stop bounces before they happen. Verify any email address in milliseconds with 99.5% accuracy. | live | no limit | You agree NOT to use the Service to: Verify email addresses for spamming or unsolicited bulk email, Harvest email addresses for malicious purposes, Violate any applicable laws or regulations, Infringe on intellectual property rights, Attempt to reverse engineer or exploit the Service, Exceed rate limits or abuse API access | $349 | 500,000 credits | 500,000 calls | never | 160 | 1 | in the call | 0.94 s | GET | /verify | Business | anyone | ||||||||||||
| NeuralVerge, $50 monthly | 68.6 | 70 | 76 | 78 | 80 | 13 | $1.00 | monthly | $50 | $1.00 | 19 of 19 | 8.4 of 13 | 5.3 of 6 | 0 of 19 | 5.3 of 19 | 2.98 s | 2.68 s | 4.11 s | 2.16 s | 4.42 s | 0.50 s | POST api.neuralverge.ai/functions/v1/run-email-validation | $0.001 | none | call | from the same budget: Search · AI Extract · AI research · data sources | $1.00 | Bad addresses cost more than the send. Bounces damage your sending reputation, and reputation damage lands on every message you send afterwards, including the ones to people who wanted to hear from you. | live | not longer than necessary | legitimate business purposes, including business research and enrichment, due diligence, risk and compliance assessment, fraud prevention, and professional (business-to-business) outreach, in each case conducted lawfully and proportionately. You must not use the Services, or any data obtained through them, to: violate any applicable law, regulation, sanctions, or third-party rights, determine an individual’s eligibility for credit, employment, insurance, housing, education, or another benefit, or for any other purpose regulated by the U.S. Fair Credit Reporting Act (FCRA) or similar consumer-protection or credit laws, target, profile, or make decisions about individuals on the basis of race, ethnicity, national origin, religion, sex, sexual orientation, gender identity, disability, health, age, union membership, or other protected characteristics, or otherwise in a way that is unlawfully discriminatory, stalk, harass, threaten, dox, surveil, or facilitate harm to any individual, or use the Services in connection with domestic abuse or intimate-partner monitoring, carry out surveillance or monitoring in violation of privacy, wiretapping, or data-protection laws, attempt to re-identify individuals from de-identified or aggregated data except as expressly permitted, scrape, crawl, or use automated means to extract data from the Services except as we expressly permit, or interfere with, disrupt, or place undue load on the Services, attempt unauthorized access to the Services, other users’ data, or related systems, probe or test vulnerabilities without authorization, or introduce malware or harmful code, reverse engineer, decompile, or create derivative datasets or competing products from the Services, or resell or redistribute the Services or their outputs, except as expressly permitted, send unlawful, unsolicited, or deceptive communications, or misrepresent your identity, affiliation, or the source of a communication, submit special category data, or data about minors, except where expressly agreed in writing and subject to additional safeguards. When the Services provide information about individuals, you must handle it fairly and lawfully, use it only for the permitted purposes above, keep it secure, honor individuals’ privacy rights and any objection or deletion requests, and not retain it longer than necessary. | $50 | 50,000 credits a month | 50,000 calls a month | points reset every billing cycle | 10 | 50 | 1 | in the call | 2.98 s | POST | /functions/v1/run-email-validation | Base | business and professional use, 18 or over | ||||||||||
| Bounceless, $499 monthly, Scale: 1,000,000 credits per month, POST /v1/verify | 67.0 | 94 | 56 | 62 | 67 | 8 | $0.499 | monthly | $499 | $0.00 | 19 of 19 | 8 of 13 | 3 of 6 | 0 of 19 | 8 of 19 | 4.86 s | 4.78 s | 5.55 s | 4.78 s | 5.64 s | 0.26 s | POST api.bounceless.io/v1/verify | $0.0029 | none | call | from the same budget: Create a batch (emails) · Create a batch (listId) | $0.499 | Bounceless gives applications and agents an explainable verification result and a Pre-Send decision. | live | no limit | [...] a limited, non-exclusive, non-transferable, non-sublicensable right during your authorized use to access and use the Service for your internal business purposes. [...] You must not use the Service to: violate law, privacy rights, anti-spam requirements, sanctions, or another person’s rights, verify data that you obtained unlawfully or are not authorized to process, build, enrich, sell, or operate an unlawful or abusive contact database, send spam, phishing, malware, harassment, or deceptive communications, probe, scan, disrupt, overload, reverse engineer, or bypass the Service or its security and usage controls, except where law expressly permits and the right cannot be waived, resell, sublicense, or provide the Service to third parties unless an order or written agreement expressly allows it, use output as the sole basis for a decision that produces legal or similarly significant effects on an individual, or misrepresent verification output as proof that an address owner consented to receive a message or that a message will be delivered. [...] You must not remove or distort qualifications attached to an output | $499 | 1,000,000 credits a month | 1,000,000 calls a month | never | 1 | in the call | 4.86 s | email, Idempotency-Key header. Optional: timeoutMs | POST | /v1/verify | Scale: 1,000,000 credits per month | business customers outside the European Economic Area and the UK | |||||||||||
| Anymail Finder, $499 monthly | 65.4 | 50 | 88 | 62 | 88 | 16 | $1.996 | monthly | $499 | $1.996 | 19 of 19 | 10 of 13 | 6 of 6 | 0 of 19 | 3 of 19 | 2.40 s | 0.97 s | 4.57 s | 0.78 s | 5.60 s | 0.30 s | POST api.anymailfinder.com/v5.1/verify-email | $0.0145 | none | 30 days | call | from the same budget: Find Person Email · Find Email by LinkedIn URL · Find Company Emails · Find Decision Maker Email · Find Email in Bulk · GeoLead Finder · Domain Email: Order Download File | $1.996 | the credits spent, reported from the dashboard or the API and reviewed | Check if an email address is real and able to receive mail in seconds. Includes catch-all and gateway-protected domains. | live | no limit, after you stop using Anymail Finder too, a record it tells you was corrected, erased, restricted or opted out changed in your copy | Our Services are to be used for business-to-business communication only. [...] Customers may resell or provide Data obtained via the Services as part of their own product or service. [...] What is not permitted is selling, licensing or distributing Data as a standalone data product: a list, database or dataset offered primarily to supply contact data obtained through Anymail Finder on its own, independently of the Customer's broader product or service. Selling a bulk list whose principal content is Data obtained through Anymail Finder is not permitted. Customers must ensure that any resale or redistribution complies with all applicable laws (including anti-spam and unsolicited outreach regulations), with this Acceptable Use Policy and with our Terms of Service. Customers must give accurate information about the source of personal data whenever applicable law or a valid data subject request requires it, and may describe Anymail Finder as a service provider in vendor lists, privacy notices, due diligence and similar disclosures. Outside those cases, Customers should not present Anymail Finder as the source of specific Data when passing it on. Any such statement must not imply that Anymail Finder endorses the Customer or its product, and using our logo or trade marks needs our written permission first. | $499 | 50,000 credits a month | 250,000 calls a month | rolled over with no cap while subscribed, at the end of the billing period after a cancellation | no limit | 1 | in the call | 2.40 s | email. Optional: x-webhook-url | POST | /v5.1/verify-email | 50,000 credits a month | businesses only | ||||||||
| VerifySwift, $59.99 monthly, Daily Credits 6,000 a day | 64.8 | 85 | 71 | 77 | 0 | 15 | $0.333 | monthly | $59.99 | $0.333 | 19 of 19 | 11.9 of 13 | 3 of 6 | 4.1 of 19 | 0 of 19 | 2.60 s | 2.23 s | 3.16 s | 2.18 s | 3.62 s | 0.21 s | GET verifyswift.com/api/verify | $0.00056 | none | call | nothing else | $0.333 | Real-Time API: Integrate into your signup forms or CRM to verify emails on the spot. | live | no limit | You may not use the Platform to process or verify email addresses collected through scraping, purchased lists, rented lists, or any other non-opt-in method. All email addresses submitted for verification must originate from individuals who have explicitly opted in to receive communications from you or your organization. [...] Acceptable Use: You must not: [...] Conduct any systematic or automated data collection activities (including without limitation scraping, data mining, data extraction, and data harvesting) on or in relation to our Platform without our express written consent. Republish material from the Platform (including republication on another website) Sell, rent, or sub-license material from the Platform Reproduce, duplicate, copy, or otherwise exploit material on our Platform for a commercial purpose [...] You may not use the Platform to process or store sensitive personal data (such as health records, payment card information, financial account numbers, or government-issued identifiers) unless explicitly authorized by VerifySwift | $59.99 | 6,000 credits a day | 6,000 calls a day | each day, unused credits do not roll over | 1 | in the call | 2.60 s | GET | /verify | Daily Credits 6,000 a day | anyone 18 or older | ||||||||||||
| RouterGrowth, $499 monthly | 64.6 | 72 | 70 | 62 | 67 | 13 | $1.485 | monthly | $499 | $0.00 | 19 of 19 | 10 of 13 | 3.8 of 6 | 0 of 19 | 5.2 of 19 | 2.99 s | 2.96 s | 7.06 s | 2.92 s | 7.11 s | 0.41 s | POST api.routergrowth.com/v1/run (contact.verify, its default route) | $0.0015 a verdict its first lane gave, up to $0.0081 where a dearer one did, nothing when none gave one | none | call | from the same budget: every capability · every raw endpoint | Email verification API: valid, invalid or catch-all before you send | no limit | Use the data you retrieve lawfully: you are responsible for complying with the laws that apply to your use (including data-protection and anti-spam law) and with the acceptable use policy. [...] What the API must not be used for: No spam: data retrieved through RouterGrowth must not feed bulk unsolicited messaging that violates anti-spam law (CAN-SPAM, GDPR/ePrivacy and equivalents). No harassment, stalking, doxxing or surveillance of individuals. No automated posting, fake engagement, sockpuppets or astroturfing built on data from the router, platforms ban it and so do we. No reselling raw provider data in ways that violate the upstream provider's terms. No use for products that are illegal where they are marketed. | $499 | $499 a month | about 336,026 calls a month | at the end of the month it was paid for | 1 | in the call or by polling | 2.99 s | capability "contact.verify", input.email. Optional: routing.provider, routing.strategy, routing.max_cost, routing.allow_fallback, routing.fresh, response.include_raw | POST | /v1/run | Scale | anyone | |||||||||||||
| ZeroBounce, $449 monthly, ZeroBounce ONE, 100,000 credits a month, GET /v2/validate | 64.6 | 42 | 88 | 62 | 90 | 36 | $4.49 | monthly | $449 | $0.00 | 19 of 19 | 10 of 13 | 6 of 6 | 0 of 19 | 3 of 19 | 1.04 s | 0.46 s | 2.79 s | 0.38 s | 3.75 s | 0.29 s | GET api.zerobounce.net/v2/validate | $0.0195 | AnyAPI: paid $33.60 · Clay: your key no Data Credits, 1 Action per call (Actions start at less than $0.01 each), paid, no fixed price · Databar: your key 0 credits a call on the Build or Scale plan, paid $19.80 · Deepline: your key free for 50,000 calls a month, then $5.00 per 1,000, paid $28.00 per 1,000 results · pipe0: your key 0.05 credits ($0.00175) a pipe and 0.08 credits ($0.0028) a search, at the $0.035 a credit of its pay-as-you-go plan, or 0.001 and 0.002 credits on plans above $300 a month, paid $14.00 · treg: your key free, paid $13.80 per 1,000 results | call | Warmup Seeds · Inbox Placement Tests · Email Finder / Domain Searches · Blacklist Monitors · DMARC Monitor Domains · Email Server Tests · from the same budget: Scoring · Email Finder · Domain Search | $4.49 | your money back, for unexpectedly high bounce rates, under its 99.6% accuracy guarantee | An unprotected signup form leaves your business vulnerable to fake or even harmful data entries that jeopardize your security. With a real-time email validation API, ZeroBounce automatically detects invalid and high-risk data and blocks it from ever entering your email and user database. | live | no limit | [...] solely for its own internal business purposes and use [...] Customer agrees not to: (i) license, sublicense, sell, resell, transfer, assign, distribute, provide access to, or otherwise make the ZeroBounce Hosted Service available to any third party, (ii) modify or make derivative works based upon the ZeroBounce Hosted Service, or (iii) decompile, disassemble, or reverse engineer the ZeroBounce Hosted Service, or permit or assist any third party to do so. Customer will not: (i) knowingly use the ZeroBounce Hosted Service or Provider Technology to send unsolicited email, including, without limitation, promotions, or advertisements for products or services or send email, including any content, in violation of applicable law, (ii) knowingly send or store infringing, obscene, libelous or otherwise unlawful or tortious material to the ZeroBounce Hosted Service, (iii) knowingly upload, or otherwise send or store material containing viruses, worms, Trojan horses or other harmful computer code, files, or programs to or from the ZeroBounce Hosted Service, (iv) interfere with or disrupt the integrity or performance of the ZeroBounce Hosted Service, (v) attempt to gain unauthorized access to the ZeroBounce Hosted Service or its systems or networks, or (vi) use the ZeroBounce Hosted Service in violation of applicable law. [...] The ZeroBounce API may not be used externally within a third party product, platform, or service under our standard Terms of Service. External API usage requires prior approval and is subject to additional commercial requirements, including a minimum commitment. | $449 | 100,000 credits a month | 100,000 calls a month | rolled over each month, never while the subscription is active, then 2 years after it ends (an account created on or before June 1, 2026: never) | 10000 | 1 | in the call | 1.04 s | email. Optional: ip_address, timeout, activity_data, verify_plus | GET | /v2/validate | ZeroBounce ONE, 100,000 credits a month | anyone, for their internal business purposes only, not a resident of a country the US OFAC sanctions or on its restricted lists | |||||||||
| Generect, top-up from $20 | 64.4 | 27 | 85 | 78 | 86 | 99 | $5.00 | pay first | $5.00 | 19 of 19 | 9 of 13 | 6 of 6 | 0 of 19 | 4 of 19 | 0.38 s | 0.27 s | 0.94 s | 0.23 s | 2.67 s | 0.26 s | POST api.generect.com/api/v1/email/validate/ | $0.005 | none | result | from the same budget: Database search & enrich · Real-time search & enrich · Real-time count · Email Finder · Phone Finder · Preview | $5.00 | Validate email deliverability and risk. Billed per email validated. | live | a non-exclusive, non-transferable license to use the Services for the duration of Your paid use of Our Services [...] the User can continue to use the results of the request at any time while lawful using Our Services | a worldwide, non-exclusive right to use the business contact records You export from the Services for Your own internal sales, marketing and recruiting purposes (or, for agencies, on behalf of your clients), provided such use complies with applicable data protection and anti-spam laws [...] the Services will be used exclusively by You and/or users, who are subject to the same obligations, as You are using Your personal account in Our SaaS product “Generect” [...] You agree not to apply the following non-exhaustive list of practices that are not considered “Legitimate Use” of Our Services: using Our Services for unreasonable workloads We determine (in Our sole discretion) to be unrelated to the deployment and maintenance of Your own services, re-selling Our Services or parts thereof to another third party, using Our Services, violate any laws in Your jurisdiction (including but not limited to copyright, spam, or trademark laws), use a robot, spider, other automated device, or manual process to monitor or copy any content from the Services, using Our Services in a manner We determine (in our sole discretion) could cause harm to Our Services or another third party, or unusual usage patterns inconsistent with those We reasonably consider as normal use when compared to other customers | $20 | $20 | 4,000 results | never | no limit | no limit | in the call | 0.38 s | emails | POST | /api/v1/email/validate/ | Pay as you go | anyone 18 or over with a work email | |||||||||||
| Gamalogic, $400 monthly, Monthly, 500,000 Credits /Month, GET /emailvrf | 63.7 | 76 | 56 | 63 | 67 | 42 | $0.80 | monthly | $400 | 19 of 19 | 8 of 13 | 3 of 6 | 5 of 19 | 3 of 19 | 0.89 s | 0.81 s | 1.57 s | 0.80 s | 3.97 s | 0.55 s | GET gamalogic.com/emailvrf | $0.006, 12 credits over our 19 addresses | none | call | from the same budget: Verify a Batch of Emails · Single Email Finder | $0.80 | Validate email addresses the moment they're entered — before they ever hit your database. [...] Gamalogic's real-time email validation API runs syntax, domain, SMTP, and risk checks inside a single request, built specifically for signup forms, checkout flows, and live user registration — not batch jobs. | live | no limit stated, on termination of its EULA, downloaded materials deleted | a limited, non exclusive, non transferable, revocable license to use the Services for your internal business purposes. [...] You may not sublicense, lease, sell, resell, or otherwise distribute the Software to any third party without written consent from POSEBEN TECHNOLOGIES LLP. [...] You agree not to: Reverse engineer, decompile, disassemble, or modify the Software, Circumvent or attempt to bypass usage limits or API restrictions, Use the Software to build or support a competing product or service, Use the Software in violation of any applicable law or regulation, Access or use the Software to process or validate email data obtained unlawfully or without user consent | $400 | 500,000 credits a month | 500,000 calls a month | never while subscribed, at the end of the billing cycle once cancelled | 30 | 1 | in the call | 0.89 s | emailid. Optional: speed_rank | GET | /emailvrf | Monthly, 500,000 Credits /Month | anyone 18 or over, with authority to bind their organization when using it for one | |||||||||||
| BetterEnrich, $99 monthly, Starter, POST /api/v1/verify-normal-email | 63.0 | 71 | 58 | 73 | 91 | 15 | $0.99 | monthly | $99 | 19 of 19 | 8.5 of 13 | 3 of 6 | 0 of 19 | 7.5 of 19 | 2.49 s | 1.00 s | 4.92 s | 0.99 s | 20.06 s | 0.29 s | POST api.betterenrich.com/api/v1/verify-normal-email | $0.00099 | none | call | from the same budget: Find Work Email using Waterfall · Find Personal Email using Waterfall · Find Mobile Phone Number using Waterfall · Find Social Media URLs from websites · Normalize Company Name · Find Website from Company Name · Find LinkedIn by Personal Email · Find LinkedIn Profile URL by Email · Find LinkedIn Profile URL by Name · Verify Email with Catch-all Verifier | Default verifier. Catches role-based, disposable, and dead inboxes before the email leaves your sequence. | live | no limit | only lawful business purposes, not resold, redistributed or sublicensed, not shared with third parties except for internal business use, not used to build a competing product, no spam or harassment | $99 | 4,000 credits a month | 100,000 calls a month | 3 months from issuance, credits rolling over until then, forfeited on termination | 10 | 1 | in the call | 2.49 s | POST | /api/v1/verify-normal-email | Starter | anyone, for lawful business purposes only | |||||||||||||
| Instantly, $500 monthly | 62.7 | 43 | 88 | 38 | 94 | 32 | $2.778 | monthly | $500 | 19 of 19 | 10 of 13 | 6 of 6 | 3 of 19 | 0 of 19 | 1.19 s | 0.64 s | 5.48 s | 0.62 s | 10.29 s | 0.33 s | POST api.instantly.ai/api/v2/email-verification | $0.015 | Clay: your key no Data Credits, 1 Action per call (Actions start at less than $0.01 each) · ColdIQ: your key free: 0 credits on ColdIQ, the provider bills your own account (Instantly, lemlist, TheirStack) | call | from the same budget: Work email enrichment · Fully Enriched Profile · AI Enrichment · Job Listings · Technologies · News · Funding Type · Engagement Score · AI Reply Agent · AI Sales Agent · AI Recruiting Agent · AI Investment Agent · AI User Research Agent · AI Partnership Agent · Website Visitors · Find Local Businesses · Find Creators | 50,000 credits a month for $425 ($2.125 per 1,000) | $2.778 | Email verification ensures that your leads are valid and deliverable. This protects your sender reputation and improves campaign performance. | live | no limit | Subscriber shall not, and shall procure that its Users shall not: [...] (k) engage in any Data Resale Activity or otherwise provide, disclose, or make available any data obtained from or through the Instantly Service to any third party, except as strictly necessary to achieve the Permitted Purpose through Subscriber’s own employees or service providers bound by written confidentiality and processor obligations, (l) disclose, provide access to, or make available Outputs, Performance Data, Third-Party Data, Visitor ID Information, Warmup data, or any other data obtained through the Instantly Service to any third party, except to Subscriber’s processors who (i) act on Subscriber’s documented instructions solely for the Permitted Purpose, and (ii) are bound by written terms at least as protective as this Agreement, (m) use the Instantly Service or data obtained through it to build, train, or augment any public or commercial dataset, data product, contact list, look-alike audience, data broker service, or competitive database, (n) upload to or merge any such data into any public or shared repository or any tool designed for third-party access, resale, or redistribution, (o) circumvent, mask, or remove any flags, validity determinations, or other Performance Data indicators when providing data to any third party, or (p) use Supersearch/enrichment outputs or Visitor ID Information for any purpose other than the Permitted Purpose [...] "Permitted Purpose" means Subscriber’s business use of the Instantly Service to manage and conduct Subscriber’s own direct business-to-business (B2B) sales, marketing, recruiting, and business development activities of Subscriber, and expressly excludes any Data Resale Activity. | $500 | 45,000 credits a month | 180,000 calls a month | 2 months after purchase | 100 | 1 | in the call or by polling | 1.19 s | email. Optional: webhook_url | POST | /api/v2/email-verification | Hyper credits 3 | anyone with authority to bind the entity they represent, on an Outbound plan, which API access comes with | ||||||||||
| LeadMagic, $499 monthly, Professional, POST /v1/people/email-validation | 62.0 | 58 | 70 | 62 | 96 | 14 | $2.495 | monthly | $499 | $0.00 | 19 of 19 | 9 of 13 | 4.3 of 6 | 0 of 19 | 5.8 of 19 | 2.77 s | 1.96 s | 10.71 s | 1.91 s | 15.19 s | 0.37 s | POST api.leadmagic.io/v1/people/email-validation | $0.005, nothing when unknown | Clay: paid $0.00 · ColdIQ: paid $14.709 per 1,000 results · Deepline: your key free for 50,000 calls a month, then $5.00 per 1,000, paid $9.00 per 1,000 results · RouterGrowth: paid $10.938 per 1,000 results · treg: your key free, paid $6.25 per 1,000 results | call | Search Companies: Unmetered, 5 RPS, up to 13,333 searches/day · People Search: Unmetered, 5 RPS, up to 13,333 searches/day · Job Search: Unmetered, 5 RPS, up to 13,333 searches/day · from the same budget: Find Work Email · Find Personal Email · Profile to Email · Profile Search · Email to Profile · Find Mobile · Job Change Detector · Find by Role · Find Employees · Company Enrichment (V1 Legacy) · Company Funding · Find Competitors · Find Lookalike Companies · Tech Stack · Job Search Export · Jobs Finder (V1) · Google Ads · Meta Ads · B2B Ads · B2B Ad Details · Submit Batch · Submit Bulk Job · Local Leads | $2.495 | Check a work email with multi-step, point-in-time verification. Review a Valid, Invalid, or Unknown result, then create an account for larger workflows. LeadMagic does not force certainty when available signals are inconclusive. | live | LeadMagic may designate jurisdictions, data categories, or use cases as restricted ("Restricted Data") by notice in the Services, in the Documentation, or by email, and you will not request, use, or retain Restricted Data contrary to that designation. [...] Within ten (10) business days after a Suppression Notice, or any shorter period required by law, you will stop using, and delete or permanently suppress from your systems and from any system you control or that holds the data on your behalf, the data identified in the Suppression Notice [...] The license ends when the organization subscription ends. [...] In addition to the restrictions in Section 7, you may not: [...] Store, cache, warehouse, or compile LeadMagic Data or API results into a database for the purpose of serving subsequent requests without re-querying the Services and consuming Credits (temporary caching solely as needed to deliver a single transaction response is permitted) [...] On termination or expiration: [...] (e) you must cease using LeadMagic Data obtained through the Services where required by these Terms, the Data Use Policy, or applicable law, and must not continue to operate a competing database built from LeadMagic Data. | Unless a written Enterprise agreement or order form signed by LeadMagic expressly grants broader rights, you may use LeadMagic outputs only for your own internal business purposes, including B2B sales, marketing, analytics, account research, enrichment, verification, and CRM maintenance. [...] Self-serve plans do not include redistribution or embedded/commercial rights. You may share outputs with your employees, contractors, and service providers only as reasonably necessary for your internal business use and only if they are bound by confidentiality and use restrictions at least as protective as these terms. You may not serve, display, or embed outputs for your clients or end users unless that signed agreement expressly allows it. [...] LeadMagic outputs are not consumer reports and may not be used to determine a person's eligibility for credit, insurance, employment, housing, lending, tenant screening, education, healthcare, criminal justice, government benefits, or any other purpose regulated by the Fair Credit Reporting Act or similar laws. [...] You may not sell, resell, publish, sublicense, syndicate, transfer, disclose, or redistribute LeadMagic data, enrichment outputs, exports, API responses, or derived datasets except as expressly permitted in a written Enterprise agreement or order form signed by LeadMagic. [...] You may not use the Services to build, train, benchmark, enhance, or operate a competing product, data broker service, enrichment service, people-search service, jobs-search service, or lead database. You may not train, fine-tune, or improve machine-learning models on LeadMagic data or outputs except for models used solely inside your organization that do not create a competing contact database or substitute for the Services. [...] Internal use means use by your employees, contractors, and service providers acting solely on your behalf, bound by confidentiality and use restrictions at least as protective as these Terms, for your own sales, marketing, recruiting, research, CRM, and go-to-market operations. Using results to contact prospects yourself is internal use. Showing those results to your clients or end users, or letting them search LeadMagic data through your product, is not. [...] You will keep records reasonably sufficient to demonstrate your compliance with this Section 6 and Section 7 (including records of consent to call or text, do-not-call scrubbing, opt-outs, and suppression) for at least four (4) years after the related activity, or any longer period required by law. [...] You are specifically prohibited from: [...] Publishing, listing, displaying, or making searchable any mobile or other telephone number, personal email address, or other personal data obtained through the Services in any public, searchable, or commercial directory, people-search site, lead marketplace, list product, or database offered or made available to third parties, without both LeadMagic's prior written authorization and every consent or other legal basis that applicable law requires [...] Using the Services or outputs to operate or supply a people-search, background-check, or consumer-facing lookup service [...] Requesting, using, or retaining Restricted Data contrary to LeadMagic's designation under Section 6.8, or using the Services to target residents of any jurisdiction LeadMagic has designated as restricted [...] Contacting, or providing data to anyone who contacts, a person who has opted out, asked to be deleted, or is the subject of a Suppression Notice, or using LeadMagic data to evade or re-populate a suppression, opt-out, or do-not-call list [...] Calling or texting any person without the consent and other conditions applicable law requires (Section 6.4) [...] Using the Services for personal, family, or household purposes | $499 | 50,000 credits a month | 200,000 calls a month | total wallet capped at 2× the monthly allotment, excess usable until its displayed expiry date, after cancelling, the unused balance is removed when the billing period ends | 10 | 1 | in the call | 2.77 s | POST | /v1/people/email-validation | Professional | businesses and individuals acting in a business or professional capacity, with an active organization subscription, users 18 or over | |||||||||||
| MailSift, $249 pack, Enterprise, GET /verify | 61.9 | 76 | 56 | 70 | 83 | N/A | $1.245 | pay first | $0.00 | 19 of 19 | 8 of 13 | 3 of 6 | 0 of 19 | 8 of 19 | Nothing to time | Nothing to time | Nothing to time | Nothing to time | Nothing to time | Nothing to time | GET mailsift.dev/api/v1/verify?mode=deep | $0.002 | none | call | from the same budget: Verify one email · Verify up to 100 emails at once · Verify up to 100 emails at once with Deep Verification · Verify a CSV in bulk · Verify a CSV in bulk with Deep Verification | $1.245 | MailSift is a fast, accurate email verification API and bulk CSV validator. It detects invalid, disposable, role-based, and risky email addresses using syntax, MX, SPF, DMARC, SMTP, and catch-all checks, returning a status and a 0–100 deliverability score. | live | no limit | You may not use MailSift to: send unsolicited email, harass individuals, build databases of contact information for sale, circumvent rate limits or terms, or for any unlawful purpose. [...] You are responsible for having a lawful basis to process the email addresses you submit, including, where applicable, consent under the GDPR. [...] We grant you a non-transferable, revocable license to use the service for its intended purpose. | $249 | 1,000,000 credits | 200,000 calls | never | 200 | 1 | in the call | email, mode=deep. Optional: Idempotency-Key | GET | /verify | Enterprise | anyone 16 or older | ||||||||||||
| ParheliaWeb, €143.20 monthly, Business, POST /v1/email/validate | 59.2 | 56 | 75 | 70 | 50 | 6 | $1.611 | monthly | $161.14 | 19 of 19 | 13 of 13 | 3 of 6 | 3 of 19 | 0 of 19 | 6.00 s | 2.41 s | 11.55 s | 1.32 s | 17.43 s | 0.41 s | POST parheliaweb.com/v1/email/validate | $0.007 | none | call | from the same budget: Batch Validation | Real-time email verification with transparent risk scoring. Syntax, domain, MX, and SMTP checks — no black boxes. | live | no limit | a non-exclusive, non-transferable right to use the API for your internal business purposes only. You may not use the data to create a derivative work that competes with or substitutes for our Service [...] You agree not to: Attempt to reverse engineer, decompile, or copy the API's underlying technology, Circumvent any security or rate-limiting measures we put in place, Use the data for any illegal purpose or to violate any applicable laws, Resell, redistribute, or sublicense the raw data as a standalone product or database without our written permission, Use the Service to build a competing product or service, Use the Service in a manner that could damage, disable, or impair our infrastructure, Systematically extract, download, or scrape data from the Service using automated means to create a dataset, archive, or derivative database, whether for personal use, research, or commercial purposes, Share, transfer, or allow third-party access to your API key, including within multi-tenant SaaS applications where end-users directly trigger API calls using your key [...] Additional restrictions for Email Validator API: You may not use the Service to probe email addresses on domains you do not have a legitimate business reason to contact, You may not use the Service to compile email lists for unsolicited marketing (spam), You may not use the Service to harass, enumerate, or discover email addresses on any domain, You are responsible for obtaining any necessary consent from email address owners before submitting their addresses for verification [...] Abusive patterns include but are not limited to: burst traffic designed to exhaust rate limits, rotating IP addresses to evade limits, using multiple free accounts to aggregate quota, or API calls with no legitimate business purpose | €143.20 | 100,000 requests a month | 100,000 calls a month | 1 | 10 | 1 | in the call | 6.00 s | email. Optional: lang | POST | /v1/email/validate | Business | anyone, for internal business purposes only | ||||||||||||
| Abstract API, $199 monthly | 58.9 | 63 | 75 | 68 | 0 | 29 | $1.327 | monthly | $199 | $1.327 | 19 of 19 | 13 of 13 | 3 of 6 | 3 of 19 | 0 of 19 | 1.30 s | 0.97 s | 2.78 s | 0.83 s | 2.94 s | 0.29 s | GET emailreputation.abstractapi.com/v1/ | $0.0038 | none | call | nothing else | $1.327 | Used by developers to reduce bounce rates, clean signup forms, and verify B2B leads without lock-in to any email provider. | live | no limit, but no collection, database or directory compiled from it without Abstract's written permission | You may not access or use the Site for any purpose other than that for which we make the Site available. Without limiting the foregoing, you agree not to: [...] 3. Use the Site or the Content to advertise or offer to sell goods and services or to identify any household, street address, or individual. 4. License, sell, resell, lease, distribute, or otherwise commercially exploit as a standalone product, or make available to any third party, the Site, or any Content not owned by you (unless the Content is expressly licensed to you for such purpose). [...] 13. Use the Site or the Content to spam, phish, pharm, pretext, spider, crawl, or scrape. [...] 17. Use the Site or the Content for any illegal or unauthorized purpose. 18. Use the Site or the Content: for any form of debt collection, as the sole source of data for hard background check purposes, to determine eligibility for a government license or benefit, for any purpose prohibited by applicable data privacy and security laws, for the benefit of any one political candidate, political party, political campaign, or political advocacy group affiliated exclusively with or formed to benefit any one of the foregoing, [...] in connection with any purpose covered by the Fair Credit Reporting Act (15 U.S.C. Sec. 1681 et seq (“FCRA”)) [...], for the preparation of a Consumer Report or in such a manner that may cause such data to be characterized as a Consumer Report, in connection with establishing a consumer’s eligibility for credit or insurance to be used primarily for personal, family, or household purposes [...], for the purpose of evaluating a consumer for employment, promotion, reassignment, or retention as an employee, for any tenancy verification or in connection with any application to rent real property, [...] for any other purpose under the FCRA. | $199 | 150,000 requests a month | 150,000 calls a month | 3 | 1 | in the call | 1.30 s | GET | /v1/ | Starter, 150,000 requests / month | anyone 18 or older | ||||||||||||
| Listclean, $65 pack, 250K Credits, GET /verify/email/{email} | 58.9 | 99 | 29 | 80 | 50 | 8 | $0.26 | pay first | $0.00 | 19 of 19 | 1 of 13 | 3 of 6 | 0 of 19 | 15 of 19 | 4.98 s | 2.74 s | 6.38 s | 2.35 s | 6.42 s | 0.68 s | GET api.listclean.xyz/v1/verify/email/{email} | $0.001, nothing when unknown | none | call | from the same budget: Verify batch of emails (max 3000 emails) | Before you call your sending API, call Listclean. Our real-time verification API tells you if an email is valid, invalid, or risky - so you know whether to send, block, or review. | live | no limit | Usage of ListClean’s APIs and data is granted given that the user does not engage in the following activities: Reverse engineer or attempt to extract the source code from any API or any related software, except to the extent that this restriction is expressly prohibited by applicable law. Interfere with, abuse, or disrupt the APIs or the servers or networks providing the APIs. Sublicense an API for use by a third party. [...] Use the APIs to replicate or compete with core products or services offered by ListClean without written approval. Use the APIs for any activities where the use or failure of the APIs could lead to death, personal injury, or environmental damage [...]. You agree that you will only access, use or otherwise process such Output Data: pursuant to explicit consent from the data subject of the Output Data, sufficient to comply with the consent requirements of applicable laws, or pursuant to any other legal basis (or substantively similar term) for processing under applicable law. | $65 | 250,000 credits | 250,000 calls | never | 8.33 | 1 | in the call | 4.98 s | GET | /verify/email/{email} | 250K Credits | anyone | |||||||||||||
| Mailrook, $199 monthly, Scale, GET /v1/validate/{email}, Validate a single email | 58.9 | 63 | 56 | 68 | 75 | 32 | $1.327 | monthly | $199 | 19 of 19 | 8 of 13 | 3 of 6 | 0 of 19 | 8 of 19 | 1.20 s | 0.62 s | 1.42 s | 0.29 s | 2.87 s | 0.44 s | GET api.mailrook.com/v1/validate/{email} | $0.0039 | none | call | enrichment: +$2.653 | from the same budget: Enrich a domain or email · Submit a batch of emails · Upload a file for batch validation | $2.00 | 10,000 credits once for $39 ($3.90 per 1,000) | Simple REST API for real-time email validation. Sub-500ms response times, structured JSON responses, and comprehensive documentation. Integrate in minutes. | live | no API terms | no API terms | $199 | 150,000 credits a month | 150,000 calls a month | 1 | in the call | 1.20 s | email. Optional: include | GET | /v1/validate/{email} | Scale | anyone | |||||||||||
| AnyAPI, top-up from $10, Manual top-up, POST /v1/run/email.verify | 58.0 | 20 | 88 | 93 | 100 | 12 | $6.60 | pay first | 19 of 19 | 10 of 13 | 6 of 6 | 0 of 19 | 3 of 19 | 3.18 s | 2.52 s | 4.83 s | 1.76 s | 7.32 s | 0.32 s | POST api.getanyapi.com/v1/run/email.verify | $0.0066 | none | call | from the same budget: 468 other calls | Verify an email address for deliverability: a status verdict (good, risky, or bad) with domain, mailbox, catch-all, disposable, and role signals plus a confidence score. Malformed addresses are rejected by the input schema with no charge, every syntactically valid address returns a billed verdict, including undeliverable ones. | no limit | You are solely responsible for ensuring that your collection and use of Customer Data is lawful. This includes compliance with applicable laws (including data protection, intellectual property, and computer-access laws) and, where they apply to you, the terms of the websites and services from which data originates. [...] Do not collect non-public data (data accessible only behind a login, paywall, or other access control) without authorization from the source. [...] Comply with all data protection and privacy laws that apply to the personal data you collect (including the GDPR and US state privacy laws), including having a legal basis and honoring data-subject rights. Do not collect or use personal data to stalk, harass, dox, surveil, or otherwise harm individuals. Do not build profiles of individuals from sensitive data (such as health, biometric, or precise-location data) without a lawful basis. [...] Do not use the Service to engage in, support, or promote: Any unlawful activity, or any violation of third-party rights. Phishing, malware distribution, or any form of fraud or deception, including advertising or click fraud and obtaining the Service with intent to avoid payment. Spam or unsolicited bulk messaging, or building contact lists for them. Fake engagement: fabricated reviews, votes, followers, accounts, or coordinated disinformation. Harassment, threats, or incitement of violence. Child sexual abuse material in any form: zero tolerance, we report it to the relevant authorities. Violations of export-control or sanctions laws. [...] Do not resell raw access to the Service or operate a service that merely proxies it, without our written agreement. | $10 | $10 | about 1,515 calls | never | 1 | in the call | 3.18 s | email. Optional: requireFields, source, allowFallbacks, ignoreSources, preferLatencyUnderMs | POST | /v1/run/email.verify | Manual top-up | anyone 18 or over, for business or professional use, not in an embargoed jurisdiction or on a restricted-party list | |||||||||||||||
| Mails.so, €98 monthly, Business, GET /validate | 56.4 | 48 | 52 | 73 | 50 | 100 | $2.206 | monthly | $110.28 | 19 of 19 | 7 of 13 | 3 of 6 | 0 of 19 | 9 of 19 | 0.38 s | 0.20 s | 0.93 s | 0.17 s | 1.18 s | 0.38 s | GET api.mails.so/v1/validate | $0.0054 | none | call | from the same budget: Bulk Validation | 1 credit once for €0.002 ($2.251 per 1,000) | Email Validation API: Clean Lists, Boost Deliverability & Maximize ROI. Remove fake emails and spam users from your email lists. | no limit | any | €98 | 50,000 credits a month | 50,000 calls a month | 5 | 1 | in the call | 0.38 s | GET | /validate | Business | anyone | ||||||||||||||
| Clearout, $360 monthly | 54.8 | 47 | 65 | 64 | 75 | 13 | $3.60 | monthly | $360 | $0.00 | 17 of 19 | 10 of 11 | 3 of 6 | 0 of 17 | 4 of 17 | 2.97 s | 1.72 s | 3.73 s | 1.44 s | 4.05 s | 0.11 s | POST api.clearout.io/v2/email_verify/instant | $0.0077 | none | 24 hours | call | from the same budget: Email Verifier Bulk · Email Finder · Reverse Lookup | 5,000 credits once for $40 ($8.00 per 1,000) · 10,000 credits once for $65 ($6.50 per 1,000) · 100,000 credits once for $400 ($4.00 per 1,000) · 250,000 credits once for $750 ($3.00 per 1,000) · 500,000 credits once for $1,000 ($2.00 per 1,000) · 1,000,000 credits once for $1,400 ($1.40 per 1,000) · 5,000,000 credits once for $5,500 ($1.10 per 1,000) · 10,000,000 credits once for $10,000 ($1.00 per 1,000) | $3.60 | Scale and automate your email verification needs using Clearout's email validation API. From solopreneurs to big enterprises, we've built our API for everyone. We support all programming languages so you can easily add our API to your tech stack and verify emails instantly or in bulk. | live | no limit | any, within applicable data protection and privacy laws | $360 | 100,000 credits a month | 100,000 calls a month | never, unused credits roll over | 2.25 | 1 | in the call | 2.97 s | email. Optional: timeout | POST | /email_verify/instant | Pro 100K Credits | anyone | ||||||||
| Minelead, $299 monthly, Enterprise, GET /validate | 54.6 | 59 | 47 | 65 | 88 | 24 | $1.495 | monthly | $299 | $1.495 | 8 of 19 | 3 of 5 | 1 of 3 | 0 of 8 | 4 of 8 | 1.59 s | 1.15 s | 6.56 s | 1.01 s | 8.64 s | 0.32 s | GET api.minelead.io/v1/validate | $0.039 | none | call | from the same budget: Successful Domain search · Finder operation · Successful Generator request · Enrichment request · Social Email Finder request · Disposable email detection request · Buying intent request | $1.495 | Minelead's Email Verification API checks whether an email address is valid and deliverable in real-time. It verifies email format, MX records, SMTP deliverability, and detects webmail and disposable addresses — all in a single API call. | live | no limit | You may view and/or print pages from any minelead products for your own personal use subject to restrictions set in these terms and conditions [...] You must not: Republish material from any minelead products, Sell, rent or sub-license material from any minelead products, Reproduce, duplicate or copy material from any minelead products, Redistribute content from MineLead (unless content is specifically made for redistribution) | $299 | 200,000 credits a month | 200,000 calls a month | each month: monthly plans reset to the credits included in the plan and unused credits do not carry over to the next month | 8 | 1 | in the call | 1.59 s | email. Optional: firstname, lastname | GET | /validate | Enterprise | anyone | ||||||||||
| Fiber AI, top-up from $3 | 52.1 | 6 | 88 | 93 | 97 | 5 | $30.00 | pay first | 19 of 19 | 10 of 13 | 6 of 6 | 0 of 19 | 3 of 19 | 8.30 s | 2.70 s | 29.79 s | 1.61 s | 31.16 s | 0.38 s | POST api.fiber.ai/v1/validate-email/single | $0.03 | Orthogonal: paid $20.00 | call | Export audience companies to CSV · Export audience prospects to CSV · from the same budget: Contact reveal (normal) · Work email from name and company · Live profile fetch · Live company fetch · Live fetch (batch start) · Company search result · People search result · Job posting search · Company count · People count · Job posting count · Agentic / natural-language search · Google Maps / local business · Investor search · Combined search · Audience build · Audience enrichment · Tracker entity check · Full reverse email lookup · Lite reverse email lookup · Reverse phone lookup · Kitchen Sink resolution · Hashed email lookup · Phone validation · Hotel search page · Hotel property lookup | $30.00 | Email validation tells you whether an address will bounce before you send to it. Send one email, we return a verdict, a deliverability score out of 100, and flags for catch-all, role-based, disposable, and consumer addresses. | live | a limited, non-exclusive, non-transferable, non-sublicensable right to (A) view and store the Prospect Data [...] Prospect Data and Usage Data are Confidential Information of Fiber AI. [...] After any expiration or termination of these Terms, or at any time upon request from Fiber AI, Customer will immediately return or destroy (at Fiber AI's sole direction) all materials or media containing any Confidential Information | solely for purposes of conducting business-to-business sales, marketing, or business development activities and for Customer's other internal business purposes (the "Permitted Uses"). Customer may not resell, transfer, assign, or sublicense Customer's rights under these Terms to any third party or use the Services to run an outsourcing business or provide services for the benefit of any third party. [...] Customer (A) will not, and will ensure that Customer Personnel do not, incorporate any Prospect Data into Customer's products or services or otherwise resell, sublicense, or distribute any Prospect Data, (B) will not [...] present the Prospect Data so that it appears to be made available by any third party, (C) will process all Prospect Data in accordance with Laws, including Privacy and Data Laws [...] (F) not use the Services, including Prospect Data, to determine a consumer’s eligibility for (i) credit or insurance for personal, family or household purposes, (ii) employment or (iii) a government license or benefit or (iv) any other purpose governed by the Fair Credit Reporting Act [...] Customer will not [...] (h) develop any scripts or software applications that interact with or integrate with the Services unless first authorized in writing by Fiber AI [...] The Services are currently authorized to be used only in the United States to facilitate business-to-business sales, marketing, or business development communications with individuals in the United States | $3 | 5 | 1 | in the call | 8.30 s | POST | /v1/validate-email/single | Pay-as-you-go | anyone, to use only in the United States | ||||||||||||||||
| Dropcontact, €120 monthly | 51.2 | 6 | 100 | 71 | 67 | 2 | $33.759 | monthly | $135.04 | 2 of 19 | 1 of 1 | 1 of 1 | 0 of 2 | 0 of 2 | 20.34 s | 19.19 s | 21.49 s | 18.91 s | 21.77 s | 0.37 s | POST api.dropcontact.com/v1/enrich/all, then its request id until answered | $0.0653 | none | result | from the same budget: B2B email enrichment · LinkedIn URL enrichment | the credit, for a legitimate bounce, once the hard bounce file is sent to them and analyzed | With Dropcontact, find out in a blink whether an email address is valid or not and give your marketing efforts a booster. | live | no limit | The Site and Services are intended exclusively for professionals within the framework of their activity. [...] The User undertakes to make strictly personal use of the Services. [...] It is strictly prohibited to use the Services for the following purposes: the exercise of activities that are illegal, fraudulent or breach the rights or safety of third parties, the breach of public order or violation of the laws and regulations in force, the intrusion into the IT system of a third party or any activity likely to harm, control, interfere with, or intercept all or part of the IT system of a third party, violate its integrity or security, the sending of unsolicited emails and/or commercial prospecting or solicitation, the manipulations intended to improve the referencing of a third-party site, the aid or incitement, in any form and in any way whatsoever, to one or more of the acts and activities described above, and more generally any practice that diverts the Services for purposes other than those for which they were designed. [...] It is strictly prohibited for Users to copy and/or misappropriate for their own purposes or those of third parties the concept, technologies, all or part of the data or any other element of the Site. [...] It is strictly prohibited to monetize, sell or grant all or part of the access to the Services or to the Site, as well as to the information hosted and/or shared therein. [...] any disassembly, decompilation, decryption, extraction, reuse, copying and, more generally, any act of reproduction, representation, dissemination and use of any of the data, in whole or in part, and in particular with the aim of reselling it, are strictly prohibited and may be subject to legal action | €120 | 4,000 credits a month | 4,000 results a month | carried over from one month to the next as long as the subscription stays active, available until the cancellation date | 60 | 250 | by polling or webhook | 20.34 s | data[].email. Optional: first_name, last_name, full_name, phone, company, website, num_siren, linkedin, siret, country, job, company_linkedin, custom_fields, siren, language, custom_callback_url | POST | /v1/enrich/all | Growth, 4,000 credits per month | professionals acting within their activity (a natural person with the power to commit, or a legal person) | |||||||||||
| VerificarEmails, €345 pack | 51.2 | 34 | 57 | 67 | 50 | 84 | $3.882 | pay first | $3.882 | 8 of 19 | 4 of 5 | 1 of 3 | 0 of 8 | 3 of 8 | 0.45 s | 0.39 s | 1.40 s | 0.39 s | 1.57 s | 0.50 s | GET dashboard.verificaremails.com/myapi/email/validate/single | $0.009 | none | call | from the same budget: Validar emails de forma masiva mediante fichero | $3.882 | You can verify email addresses on your website or application with our API, through our web application, with integrations via Zapier or our Widget. All in real-time. | live | no API terms | no API terms | €345 | 100,000 credits | 100,000 calls | 1 year, unused credits carry over when you recharge within the year | 1 | in the call | 0.45 s | term | GET | /email/validate/single | 100,000 Emails | anyone | ||||||||||||
| Findymail, $99 monthly | 47.1 | 8 | 85 | 73 | 67 | 8 | $19.80 | monthly | $99 | $19.80 | 9 of 19 | 4 of 5 | 4 of 4 | 1 of 9 | 0 of 9 | 4.60 s | 1.12 s | 6.62 s | 1.06 s | 6.91 s | 0.68 s | POST app.findymail.com/api/verify | $0.049 | Clay: your key no Data Credits, 1 Action per call (Actions start at less than $0.01 each), paid, no fixed price · ColdIQ: paid $50.49 · Deepline: paid $28.00 · Orthogonal: paid $15.00 · RouterGrowth: paid $8.75 per 1,000 results · treg: your key free, paid, no fixed price | never | call | Finder Credits · from the same budget: Bulk verification from the Email Verifier page | $30.00 | $19.80 | Find verified emails, verify addresses, and discover leads programmatically with our simple REST API. [...] Verify any email address for deliverability. Returns verification status and email provider. | live | no limit | You will use the Subscription Service for your internal business purposes and will not: [...] (vi) lease, distribute, license, sell or otherwise commercially exploit the Subscription Service or make the Subscription Service available to a third party other than as contemplated in your subscription to the Subscription Service, (vii) use the Subscription Service for timesharing or service bureau purposes or otherwise for the benefit of a third party, or (viii) provide to third parties any evaluation version of the Subscription Service without our prior written consent. [...] you may not (directly or indirectly) use the Subscription Service in a manner that: [...] harvests or otherwise collects information about others, including e-mail addresses, without their consent, [...] is in violation of any applicable local, state, national or international law or regulation, including [...] the Controlling the Assault of Non-Solicited Pornography and Marketing Act (CAN-SPAM Act) [...], the U.S Telephone Consumer Protection Act of 1991 [...], [...] the General Data Protection Regulation (2016/679) [...]. [...] You agree not to copy, rent, lease, sell, distribute, frame, mirror, or create derivative works based on the Subscription Service, or the Consulting Services in whole or in part, by any means, except as expressly authorized in writing by us. [...] YOU AGREE NOT TO USE THE SUBSCRIPTION SERVICE TO COLLECT, MANAGE OR PROCESS SENSITIVE INFORMATION. [...] Our standard terms do not allow resale, but reselling Findymail inside your own product (calling the API from a single account and billing your customers with your own credits) is possible under an API Use Agreement, which is an addition to our standard T&C. [...] operating one subscription and a single API key from a central server that sends requests on behalf of your own end users is permitted. [...] usage-based plans are for use within your own team only. | $99 | 5,000 credits a month | 5,000 calls a month | rolled over while subscribed, up to a balance of twice the monthly credits, reset to 0 at the end of the billing period after cancelling | 300 | 1 | in the call | 4.60 s | POST | /api/verify | Starter | anyone 18 or over | |||||||||
| graph8, $499 monthly | 39.4 | 20 | 44 | 52 | 80 | 46 | monthly | $499 | 19 of 19 | 5 of 13 | 3 of 6 | 0 of 19 | 11 of 19 | 0.82 s | 0.40 s | 1.51 s | 0.39 s | 1.76 s | 0.40 s | POST be.graph8.com/api/v1/enrichment/verify-email | $0.0099 | none | from the same budget: POST /enrichment/enrich · POST /sequences/{id}/contacts · POST /campaigns/{id}/launch · POST /appointments/bookings | Verify a single email address and check its deliverability status. | during the Subscription Period [...] Customer will: (a) cease all use of the Data Products and, upon request, return or destroy all copies [...] Customer may retain and perpetually use any B2B Contact Data [...] that was (i) identified and used for a specific campaign, (ii) for which any applicable Fees or credits were paid by Customer, and (iii) exported to Customer's data warehouse instance | solely for Customer's internal business purposes during the Subscription Period [...] Customer may use the Data Products for marketing, sales, and other business activities as explicitly permitted by this Agreement. b) Customer is not allowed to resell the Data Products or provide the Data Products to third parties [...] Customer shall not sell, rent, lease, sublicense, distribute, or otherwise provide the Data Products to any third party. Reselling of data in any form is strictly prohibited [...] Customer must comply with all applicable data protection laws and regulations in relation to the use of the Data Products, including obtaining necessary consents from individuals where required. b) Customer is required to follow GDPR regulations, and in the US, CCPA and other required regulations on a federal and state level [...] b) Data should only be exported to authorized and vetted third-party connections, including Snowflake and other data pipeline providers. Customer should check with Provider for approved vendors. c) Customer shall maintain the confidentiality of the Data Products and shall not disclose them to any third party except as necessary for its permitted use under this Agreement | $499 | 75,000 credits a month | 16.67 | 1 | in the call | 0.82 s | POST | /enrichment/verify-email | Platform | verified companies with a work email (personal addresses such as Gmail are not accepted), for internal business purposes | ||||||||||||||||||
| AeroLeads, $49 pack | 33.4 | 7 | 48 | 72 | 67 | 9 | pay first | 19 of 19 | 6 of 13 | 3 of 6 | 2 of 19 | 8 of 19 | 4.31 s | 0.79 s | 16.11 s | 0.00 s | 20.22 s | 0.46 s | GET aeroleads.com/api/verify_email | $0.0245 | none | from the same budget: Linkedin Details API · Get Email | Check email validity instantly with MX, SMTP, disposable, and safe-to-send signals | no API terms | no API terms | $49 | 2,000 credits | 12 months from your latest purchase | 1 | in the call | 4.31 s | GET | /api/verify_email | Take Off | anyone with a work email | |||||||||||||||||||
| BounceCheck, $9.99 monthly, Starter, POST /verification/single | 0.0 | 50 | 0 | 90 | 67 | N/A | $1.998 | monthly | $9.99 | $1.998 | 19 of 19 | 10.5 of 13 | 0 of 6 | 5.5 of 19 | 3 of 19 | Nothing to time | Nothing to time | Nothing to time | Nothing to time | Nothing to time | Nothing to time | POST api.bouncecheck.email/api/v1/verification/single | $0.002 | none | call | from the same budget: Bulk Upload · Disposable check | $1.998 | BounceCheck is a free email checker and bulk email verifier that validates addresses with real SMTP handshakes, catch-all resolution and disposable detection. Verify a single email or clean an entire list. | live | no limit | the right to access and use the Service for your own internal business purposes. You agree not to: (i) license, sublicense, sell, resell, rent, or otherwise make the Service available to any third party except as expressly permitted, (ii) modify or create derivative works based on the Service, (iii) decompile, disassemble, reverse-engineer, or attempt to discover the source code or underlying structure of the Service, or (iv) use the Service to build, train, or support a competing product or service. You agree not to use the Service: For any unlawful purpose [...], To send spam or unsolicited communications, To harvest or collect email addresses or other contact information of others, To interfere with or circumvent the security features of the Service [...] | $9.99 | 5,000 credits a month | 5,000 calls a month | reset at the end of each billing cycle | 1 | in the call | POST | /verification/single | Starter | anyone, for their own internal business purposes | |||||||||||||
| EmailVerify.io, $5 pack, Pay As You Go, 1,000 Credits, GET /validate | 0.0 | 39 | 0 | 93 | 67 | N/A | $5.00 | pay first | $0.00 | 4 of 19 | 2 of 3 | 0 of 1 | 0 of 4 | 2 of 4 | Nothing to time | Nothing to time | Nothing to time | Nothing to time | Nothing to time | Nothing to time | GET app.emailverify.io/api/v1/validate | $0.005 | none | call | from the same budget: Bulk Email Verify API · Email Finder API | $5.00 | Integrate a real-time email verification API that validates any address the moment it enters your system. EmailVerify.io's email validation API runs syntax, MX, blacklist, and SMTP mailbox checks in a single request, returning a clean JSON status and sub_status so your app can act instantly. Built for developers who need an accurate, scalable email validator API with up to 99% accuracy. | live | no time limit, "Customer Validation Data is Customer's proprietary and confidential information and will not be accessed, used or disclosed by us [...] Customers may request the deletion of their Uploaded Data from the Emailverify system at any time", on its list of what "You may not" do: "Gather, collect, or store any information from the Site, including email addresses or other personal data, by any means" | "You may not:" [...] "Copy or redistribute any content from the Site" [...] "Create derivative works based on our Services" [...] "Reverse engineer or decompile our software" [...] "Using the Services to verify email addresses that you have acquired illegally or for which you do not have authorization to possess or process." [...] "Alter, modify, reproduce, or distribute any source or object code, software, or other products, tools, or processes related to or accessible through the Services." [...] "Engage in any activity that disrupts access to the Services or hinders their proper operation, or that could potentially harm the Services, emailverify, or other users." [...] "Gather, collect, or store any information from the Site, including email addresses or other personal data, by any means." [...] "You are not permitted to sell, transfer, or assign your account or any associated rights to others." | $5 | 1,000 credits | 1,000 calls | never | 1 | in the call | GET | /validate | Pay As You Go, 1,000 Credits | anyone 18 or over | ||||||||||||||
| Icypeas, $19 monthly, Basic, POST /email-verification | 0.0 | 52 | 0 | 85 | 90 | N/A | $1.90 | monthly | $19 | $1.90 | 19 of 19 | 8 of 13 | 0 of 6 | 0 of 19 | 11 of 19 | Nothing to time | Nothing to time | Nothing to time | Nothing to time | Nothing to time | Nothing to time | POST app.icypeas.com/api/email-verification, then its item id until done | $0.0019 | AnyAPI: paid $2.40 · Clay: paid $0.00 · ColdIQ: paid $14.85 · Deepline: your key free for 50,000 calls a month, then $5.00 per 1,000, paid $2.00 · Orthogonal: paid $10.00 · RouterGrowth: paid $2.00 per 1,000 results · treg: your key free, paid $1.90 | call | from the same budget: Email Finder · Domain Scan · Profile Scraper · Company Scraper · Person Profile URL Finder · Company Profile URL Finder · Find People · Find Companies · Reverse Email Lookup | $1.90 | Icypeas provides you with a special route to verify an email address. If you want to know if a specific email address exists, use this route. | no limit | Subject to Customer’s compliance with these Terms and applicable law, the Company grants its Customers a non-exclusive, worldwide right to use, reproduce, distribute, sublicense, and resell the data and other output made available through the Service, including as part of Customer’s own products and services | $19 | 1,000 credits a month | 10,000 calls a month | never: unused credits roll over with no cap, even after a downgrade or cancellation | 10 | 1 | by polling or webhook | email. Optional: custom.webhookUrl, custom.externalId | POST | /email-verification | Basic | business use only (strictly B2B), over the age of 13 | ||||||||||||
| MailVeri, $9 pack, 10,000 credits, POST /verify-mail/ | 0.0 | 86 | 0 | 93 | 50 | N/A | $0.90 | pay first | $0.00 | 19 of 19 | 6.5 of 13 | 0 of 6 | 0 of 19 | 12.5 of 19 | Nothing to time | Nothing to time | Nothing to time | Nothing to time | Nothing to time | Nothing to time | POST api.mailveri.com/v1/verify-mail/ | $0.0009, nothing when unknown | none | call | from the same budget: Upload File for Bulk Verification | $0.90 | The MailVeri API allows you to verify individual email deliverability, trigger high-speed distributed batch verification, track processing progress, download results, and subscribe to secure real-time webhooks. | live | no limit | You agree NOT to use the Service to: Verify email addresses for spamming or unsolicited bulk email, Harvest email addresses or build email lists for unauthorized purposes, Violate any applicable laws or regulations, Infringe on the rights of others, Attempt to gain unauthorized access to our systems, Interfere with or disrupt the Service, Resell the Service without authorization, Use automated scripts to abuse the Service. If you use our API, you additionally agree to: Keep your API key confidential, Not exceed rate limits or abuse the API, Not use the API to create a competing service, Credit MailVeri when publicly discussing integrations | $9 | 10,000 credits | 10,000 calls | never | 1 | 1 | in the call | POST | /verify-mail/ | 10,000 credits | anyone | |||||||||||||
| 1Lookup, $299 monthly, Growth, POST /bulk/jobs | N/A | 35 | N/A | 55 | 98 | N/A | $3.518 | monthly | $299 | none | result | from the same budget: 42 other calls | $3.518 | Submit up to 100,000 rows in one call, poll for progress, and download the finished CSV. | your subscription term: Output Data may not be retained after the subscription terminates, except as required by law | we grant you a limited, non-exclusive, non-transferable, non-sublicensable, revocable license to access and use the Service, and to use Output Data, for your internal business purposes during your subscription term, You must not, and must not permit any third party to: Resell, sublicense, rent, lease, distribute, or otherwise make the Service or Output Data available to any third party, except as expressly permitted in writing by us, Build, populate, enrich, or maintain a competing or substitute database, list, or product from Output Data, or use Output Data to train any machine learning or artificial intelligence model, Copy, scrape, cache, or store Output Data beyond what is reasonably necessary for your internal business use, or retain Output Data after your subscription terminates except as required by law, Reverse engineer, decompile, or disassemble any part of the Service, or attempt to discover its source code, underlying data sources, algorithms, or scoring logic, Circumvent or attempt to circumvent any rate limit, quota, usage limit, authentication, or access control, Remove, obscure, or alter any proprietary notice, or misrepresent the source of Output Data, Use the Service to benchmark against a competing product, or publish performance or accuracy comparisons, without our prior written consent, Access the Service by any automated means other than our documented APIs, or use the Service in a manner that interferes with its integrity, security, or performance [...] You must not use the Service, or Output Data, to: Violate any applicable law, regulation, or third-party right, Send, or enable others to send, unlawful telemarketing, robocalls, spam, or unsolicited or non-consented calls, texts, faxes, or emails, Harass, stalk, threaten, defraud, extort, dox, discriminate against, or harm any person, or facilitate any of the foregoing, Determine any person's eligibility for credit, insurance, employment, housing, government benefits, or any other purpose governed by the Fair Credit Reporting Act, as further described in Section 9, Identify, locate, surveil, or track any individual without a lawful basis, or to skip-trace or investigate any individual in violation of law, Collect, compile, enrich, sell, or license personal data without a lawful basis and required consents, Build, train, or improve a competing product, dataset, list, or machine learning or artificial intelligence model, Resell, redistribute, or provide the Service or Output Data to third parties [...] | $299 | 85,000 credits a month | 85,000 results a month | unused credits roll over for up to 3 months | 100,000 | by polling or webhook | type=email_validation, inputs. Optional: webhook_url | POST | /bulk/jobs | Growth | anyone with a business name and a working business email address | |||||||||||||||||||||||||||
| Airscale, $375 monthly | N/A | 39 | N/A | 64 | 97 | N/A | $3.125 | monthly | $375 | $3.125 | none | call | from the same budget: Find people · Leads Finder · Find companies · Company lookalikes · Airsearch · Email finder · Bulk email finder · Mobile finder · Personal email · People URL finder · People profile · Company profile · Domain to LinkedIn · Reverse email · Reverse phone · Post likers · Post commenters · Post search · Profile comments · Comment likers · Profile posts · Company posts · Business intent topics · Website Technologies · WhatsApp checker · Meta Ads · Google Ads · DNC Checker | $3.125 | Verify email deliverability in real time with Airscale. Reduce bounce rates, protect your sender score and reach more prospects in the inbox. | live | no limit | In accordance with the Agreement, Airscale endows you with: (a) the right to access and use the Services, and (b) the authority to display and modify, the features derived from the Services, with both (a) and (b) strictly for your personal or in-house business operations, unless a DPA is signed between the two parties. [...] By accessing and utilizing Airscale's services, you consent that you shall not, nor will you allow any third party to: (a) license, vend, rent, sublet, transfer, delegate, replicate, host or commercially exploit the services or any segment of it, [...] (d) alter, translate, adapt, merge, generate derivative works from, disassemble, decompile, reverse compile, or reverse engineer any part of the Services, barring such actions are explicitly disallowed by relevant law or are permissible by the Service's functionality, (e) apply any manual or automated tool, device, or method (including but not restricted to spiders, robots, scrapers, crawlers, avatars, data mining tools, etc.) to "scrape" or download data from the Services (we do grant revocable permission to public search engine operators to use spiders to copy materials from the Services for the sole aim of and only to the extent necessary for creating publicly accessible searchable indices of the materials, but not caches or archives of such materials), (f) access the Services to establish a similar or competitive website, application, or service, (g) duplicate, replicate, distribute, republish, download, display, post or transmit any content in any form or by any means not explicitly allowed herein or by the Services' features and functionality, (h) eliminate or obliterate any copyright or proprietary notices on or within the Services, or (i) take any action or distribute any Content on or through the Services that: (I) infringes on any intellectual property, privacy right, or any other right of any person or entity, (II) is unlawful, threatening, abusive, harassing, defamatory, deceitful, fraudulent, violates privacy, tortious, vulgar, offensive, or profane, (III) constitutes unauthorized or unsolicited promotion, junk or mass email, (IV) involves commercial activities and/or sales without Airscale's explicit written consent, such as competitions, trade, advertisements, or pyramid schemes, (V) impersonates any individual or entity, including any employee or representative of Airscale and other users, (VI) disrupts or attempts to disrupt the proper operation of the Services or uses the Services in any manner not expressly permitted by the Agreement, or (VII) tries to perform or performs, any potentially damaging actions directed against the Services, including but not limited to breaching or trying to breach any security features of the Services, introducing malware, worms, or similar destructive code into the Services, or interfering or attempting to interfere with the use of the Services by any user, host, or network, including through overloading, "flooding," "spamming," "mail bombing," or "crashing" the Services. [...] Airscale, along with its suppliers and service providers, retains all rights not expressly granted in the Agreement. Any unauthorized use of the Services leads to the termination of the licenses provided by Airscale according to the Agreement. [...] Except with respect to Your Content, you agree that you have no right, title or interest in or to any Content that appears on or in the Services except as expressly set forth herein. [...] The Subscription Service is not licensed for use in connection with any time-critical or mission-critical functions. [...] The Customer confirms that its use of the Subscription Service will comply with all applicable laws and that the Raw Data does not contain any data that would violate such laws if processed as contemplated by this Agreement. | $375 | 60,000 credits a month | 120,000 calls a month | never, while subscribed | 1 | in the call | POST | /v1/email-verifier | Growth 60,000 / month | anyone 18 or over | ||||||||||||||||||||||||||
| Alibaba Cloud, $500 pack, 100,000, POST /, ValidateEmail | N/A | 39 | N/A | 65 | 50 | N/A | $5.00 | pay first | $0.00 | none | call | from the same budget: SendValidateFile | $5.00 | Email Verification is a pre-send process that systematically evaluates every email in a list through a combination of technical checks and proprietary algorithms to determine if it is syntactically correct, genuinely exists, and can successfully receive messages. Designed for email marketers, this validation step identifies and eliminates invalid, high-risk, or substandard addresses, thereby optimizing deliverability and safeguarding the successful transmission of your emails to target recipients. | live | no limit | You will comply with all applicable laws and regulations for using the Products (including without limitation, any applicable data protection, import, re-import, export, strategic goods control, and re-export control laws [...]) (3.6), it is solely your responsibility to establish a legal basis for the processing of such data under local law, including providing adequate privacy notices and obtaining any required consents (3.7) | $500 | 100,000 credits | 100,000 calls | 1 year | 50 | 1 | in the call | Action "ValidateEmail", Version "2015-11-23", Email. Optional: Timeout, CheckGraylist, ProbeType | POST | / | 100,000 | anyone | |||||||||||||||||||||||||
| Amazon SES, $105 monthly | N/A | 5 | N/A | 73 | 75 | N/A | $42.00 | monthly | $105 | none | call | PutAccountVdmAttributes · CreateDedicatedIpPool · PutAccountSuppressionAttributes (Auto Validation for all emails sent) | $10.00 | API validation allows you to validate individual email addresses through API calls, providing immediate feedback about address validity, deliverability, and risk factors. This feature is designed for validating addresses at the point of collection, such as during user registration, subscription forms, or any other scenario where you need timely validation results. | live | no limit | You are responsible for Your Content. You will ensure that Your Content and your and End Users’ use of Your Content or the Services will not violate any of the Policies or any applicable law. [...] “Your Content” means Content that you or any End User transfers to us for processing, storage or hosting by the Services in connection with your AWS account and any computational results that you or any End User derive from the foregoing through their use of the Services. [...] Neither you nor any End User will use the AWS Content or Services in any manner or for any purpose other than as expressly permitted by this Agreement. Neither you nor any End User will, or will attempt to [...] (b) access or use the Services or AWS Content in a way intended to avoid incurring fees or exceeding usage limits or quotas, or (c) resell the Services or AWS Content. [...] You may perform benchmarks or comparative tests or evaluations (each, a “Benchmark”) of the Services. If you perform or disclose, or direct or permit any third party to perform or disclose, any Benchmark of any of the Services, you (i) will include in any disclosure, and will disclose to us, all information necessary to replicate such Benchmark, and (ii) agree that we may perform and disclose the results of Benchmarks of your products or services, irrespective of any restrictions on Benchmarks in the terms governing your products or services. | $105 | 2,500 requests a month | 2,500 calls a month | 1 | 1 | in the call | EmailAddress | POST | /v2/email/email-address-insights/ | Pro | anyone with an AWS account | ||||||||||||||||||||||||||
| Amplemarket, $7,200 yearly | N/A | $266.667 | yearly | $600 | $266.667 | none | result | Phone Number Credits · Job Change Alerts · from the same budget: Single person enrichment · Start batch of person enrichments · Create lead list · Add leads | $266.667 | Use real-time email validation to reduce bounce rates | live | during your paid subscription. Immediately upon termination or expiration of the Agreement, you will no longer be authorized to access the Service or use any associated Service Output Data [...] and must immediately delete any Service Output Data | solely for your internal business purposes as related to the Business Scope [...] You agree to use Service Data only for lawful B2B business purposes in accordance with applicable privacy and marketing laws, including GDPR, CCPA, and CAN-SPAM. You must process all personal data exclusively for initiating a business relationship relevant to the data subject's role within such data subject’s business or organization, including but not limited to exploring business opportunities, collaborations, or the sale of services or goods, while excluding any form of consumer-oriented offers or exclusively personal communications (the “Business Scope”). You may not: Share, lease, license, transfer, time share, resell, rent, sublicense or otherwise distribute the Service or any data obtained through it (“Service Data”). Access the Service using automated methods outside the documented API (e.g., scraping). Reverse engineer, modify, or create derivative works from the Service. Use Service Data to compete with Amplemarket or to build similar databases or tools. Use the Service for spam, consumer marketing, or any purpose outside legitimate B2B outreach. [...] Use any robot, spider, scraper, or other automated means to access our Service for any purpose. Access the Service by any means other than those provided by us for that purpose. Extract a substantial part of the Service or Service Data or access it in bulk. Use any part of the Service or the Service Data in any manner that competes with Amplemarket, as solely determined by Amplemarket. [...] You shall also not: Sell, resell, rent, lease, license, sublicense, or otherwise distribute any data or Service Output Data (including printouts or downloadable data) to third parties, or using any data as a component of, or basis for, any materials intended for sale, licensing, or distribution. [...] Use the Service, including any associated Service Output Data, to create any derivative work, service or product. [...] You agree to and hereby do grant us a license to: (a) use Customer Submitted Content [...] to improve our Service [...]. The foregoing licenses granted to us under this Section 10 shall be worldwide, irrevocable, non-exclusive, perpetual, and royalty-free. | $7,200 | 27,000 credits a year | 27,000 results a year | 8.33 | 100,000 | by polling | emails | POST | /email-validations | Startup | anyone with a business email | ||||||||||||||||||||||||||||||
| Antideo, $5 monthly | N/A | 100 | N/A | 90 | 80 | N/A | no limit | monthly | $5 | $0.00 | none | call | from the same budget: Phone Number Validation · Location Detection · IP Health Check · IP Info API | Email address health check is very useful upon accepting signups, orders, restricting access to specific users etc. | live | no API terms | no API terms | $5 | no limit | 0.014 | 1 | in the call | GET | /email/{email} | 50 requests/hour | anyone | ||||||||||||||||||||||||||||
| APIFreaks, $500 monthly, Monthly 10,000,000 credits, POST /email-validation/bulk | N/A | 63 | N/A | 62 | 99 | N/A | $1.25 | monthly | $500 | none | result | from the same budget: IP Geolocation API · Bulk IP Geolocation Lookup API · IP Threat Intelligence API · Forward Geocoding API · Reverse Geocoding API · Domain WHOIS Lookup API · IP WHOIS Lookup API · ASN Lookup API · WHOIS History API · Reverse WHOIS API · Bulk WHOIS Lookup API · DNS Lookup API · DNS History API · Reverse DNS Lookup API · Bulk DNS Lookup API · Web Scraper API · Email Checker API · Disposable Email Checker API · Phone Validation API · Bulk Phone Validation API · SSL Lookup API · Domain Availability API · Subdomain Finder API · Domain Reputation API · Domain Typosquatting API · Bulk Domain Checker API · Website Screenshot API · Bulk Screenshot API · Merge PDF API · PDF Split API · PDF Remove Pages API · PDF to Image APIs · PDF Generator API · PDF Compress API · PDF Rotate API · PDF Protect APIs · Unlock PDF APIs · PDF Linearize API · Exchange Rate API · Currency Converter API · Currency Time Series · Currency Fluctuation API · IP Currency API · Live Commodity Prices API · Historical Commodity Prices API · Commodity Fluctuation API · Commodities Time Series API · VAT Rates API · VAT Number Validation API · IBAN Validation API · SWIFT/BIC Code API · ZIP Code API · ZIP Codes Radius Search API · ZIP Code Distance API · ZIP Codes Search by City API · Live Weather API · Weather Forecast API · Historical Weather APIs · Air Quality API · Marine Weather API · Flood Forecast API · Astronomy API · Administrative Units API · Countries API · Cities API · Regions API · Flags API · Timezone Lookup API · User Agent Parser · Bulk User Agent Parser | $2.50 | 80,000 credits once for $20 ($6.25 per 1,000) · 600,000 credits once for $100 ($4.167 per 1,000) · 1,500,000 credits once for $200 ($3.333 per 1,000) · 4,500,000 credits once for $500 ($2.778 per 1,000) · 10,000,000 credits once for $1,000 ($2.50 per 1,000) · 17,000,000 credits once for $1,600 ($2.353 per 1,000) | Validate up to 100 email addresses in a single request. Each address is independently checked for syntax, MX records, domain validity, disposable addresses, catch-all domains, role-based accounts, spam traps, and deliverability. | live | for reference by your end users only, who may not "store, distribute, or otherwise exploit" it, Enterprise's "Commercial & Distribution License" permits "commercial use, storage, and redistribution of API data within your products and services" | Subject to your compliance with the terms of this Agreement, you are hereby permitted to receive, process, and display information retrieved from the APIFreaks APIs or database to individual end users of your application(s), provided: Each end user uses this information strictly for their own personal use. You do not permit your end users to store, distribute, or otherwise exploit the APIFreaks APIs for any other purposes. For clarity, and without limiting the foregoing, you are permitted solely to use APIFreaks Services for reference by your end users. Except as expressly provided herein, under no circumstances whatsoever may you transfer or permit the transfer of the APIFreaks APIs outside of your application(s). [...] Usage of APIFreaks is strictly prohibited for gambling, adult content, dating, the alcohol industry, and any illegal activities. [...] You shall not use the APIFreaks APIs in a manner that constitutes excessive or abusive usage. | $500 | 10,000,000 credits a month | 400,000 results a month | 30 days, unused credits do not carry over | 28 | 100 | in the call | emailData. Optional: name, ip | POST | /email-validation/bulk | Monthly 10,000,000 credits | anyone 13 or older with a real company or personal email, not for gambling, adult content, dating or the alcohol industry | ||||||||||||||||||||||||
| APILayer, $249.99 monthly, Enterprise Plus Plan, GET /check | N/A | 70 | N/A | 67 | 50 | N/A | $1.00 | monthly | $249.99 | $1.00 | none | never | call | from the same budget: /bulk_check | $4.00 | $1.00 | Simple REST API measuring email deliverability & quality. Verify email addresses as they come into your system and make sure you only send email to real customers and high-value contacts | live | You shall not: [...] use, store, or access any numverify API Data & Services, or the numverify API after the termination of this Agreement, You do not permit Your end users to store [...] numverify API Data & Services for any other purposes | You are hereby permitted to receive, process, and display numverify API Data & Services to individual end-users of your application(s), provided such end users use numverify API Data & Services strictly for their own personal use, You do not permit Your end users to store, distribute, or otherwise exploit numverify API Data & Services for any other purposes. [...] You are permitted solely to use numverify API Data & Services for reference by Your end users. Except as expressly provided herein, under no circumstances whatsoever may You transfer or permit the transfer of numverify API Data & Services outside of your application(s). [...] You shall not: reproduce, copy, modify, distribute, market, display, transfer, sublicense, assign, prepare derivative work(s) or adaptation(s) based on, sell, exchange, barter or transfer, rent, lease, loan, time-share, resell, or in any other manner exploit numverify API Data & Services or the numverify API, make access to numverify API Data & Services or the numverify API available to unauthorized parties, or otherwise post or distribute numverify API Data & Services in any public forum including, but not limited to, print, newsletters, radio, television, or internet, [...] use or permit others to use, market, distribute, or export numverify API Data & Services, or the numverify API, or, use numverify API Data & Services or the numverify API in any manner or for any purpose that violates any law, regulation or right of any person. [...] You also agree not to: [...] redistribute any Information And Content in any manner whatsoever [...] to any person, organization, corporation or other entity, including within your own organization or externally, except for the limited Permitted Uses, [...] present, archive, cache, frame, scrape, or mirror any Information And Content from any part of the Services within another web site, except with express written permission [...], [...] embed or import any data provided in, on or through the Services into any information services (whether or not web-based), data files, or application software, including without limitation accounting and payroll systems, except as specifically permitted in writing by apilayer. | $249.99 | 250,000 requests a month | 250,000 calls a month | not carried over from one monthly period to the next | 5 | 1 | in the call | email. Optional: smtp, catch_all | GET | /check | Enterprise Plus Plan | anyone | ||||||||||||||||||||||
| BillionVerify, $160 monthly, Enterprise, POST /verify/bulk | N/A | 98 | N/A | 70 | 83 | N/A | $0.32 | monthly | $160 | $0.00 | none | 24 hours | result | from the same budget: Single Email Verification · File Upload Verification · Email Finder · Bulk Email Finder · Company Search | $0.32 | POST /verify/bulk — verify up to 50 addresses per API call, synchronously. All results come back in a single API response, on the same schema the real-time email verification API uses for one address. | live | no limit | You may not use the Service to: Violate anti-spam, privacy, consumer protection, or data protection laws. Submit data you do not have the lawful right to process. Abuse promotional offers, bypass rate limits, probe our systems, or attempt unauthorized access. Reverse engineer, copy, resell, sublicense, or build a competing service using the Service except as expressly permitted by us in writing. [...] Subject to these Terms, we grant you a limited, revocable, non-exclusive, non-transferable right to use the Service for your internal business purposes. | $160 | 500,000 credits a month | 500,000 results a month | never | 25 | 50 | in the call | emails. Optional: check_smtp, force_refresh, include_domain_reputation | POST | /verify/bulk | Enterprise | anyone at least 18 years old and legally able to enter into a contract, for their internal business purposes only | |||||||||||||||||||||||
| Bird, top-up from $15, Email address lookup, POST /v1/lookup/email/batch | N/A | 82 | N/A | 90 | 75 | N/A | $0.50 | pay first | $0.50 | none | 3 hours | result | from the same budget: Create an email address lookup · Get an email address lookup by URL · Create a phone number lookup | $0.50 | Catch address problems before the next send. Use Bird Email Lookup to check an address at signup or before a send. Read the verdict, delivery confidence and risk flags, then offer a typo correction or investigate a risky address before it enters your audience. | live | “a worldwide, limited-term, non-exclusive, non-transferable, royalty-free license during the applicable Term to access and use the Provider Data” (“any data that is derived from the use of the Services”) [...], on termination or expiration of the Agreement, “you will immediately either return or destroy (at our discretion) all Provider Data” | “solely for your use of the Services in accordance with the Agreement”, “designed and intended for commercial use only and [...] not intended for personal or private individual or consumer use”, “You will not transfer, resell, lease, license, or otherwise make the Services available to third parties”, “You may not use the Services to send, store, or process (as applicable): [...] messages to: [...] recipient contact information programmatically generated or scraped from the Internet” | $15 | $15 | 30,000 results | 1 year after the purchase date | 0.17 | 1,000 | in the call | emails. Optional: Idempotency-Key | POST | /v1/lookup/email/batch | Email address lookup | a company or business: the account is created by someone “legally able to represent the company or business contracting our Services”, and the Services are “designed and intended for commercial use only and are not intended for personal or private individual or consumer use” | ||||||||||||||||||||||||
| BounceBan, $255 monthly, 100,000 Credits, Monthly subscription (15% off), POST /v1/verify/bulk | N/A | 57 | N/A | 67 | 75 | N/A | $2.55 | monthly | $255 | $0.00 | none | result | from the same budget: Single email verification · Single email verification (Clay, N8N, and other waterfall services) · Bulk email verification by file | 10,000 credits once for $40 ($4.00 per 1,000) · 25,000 credits once for $100 ($4.00 per 1,000) · 50,000 credits once for $175 ($3.50 per 1,000) · 100,000 credits once for $300 ($3.00 per 1,000) · 250,000 credits once for $625 ($2.50 per 1,000) · 500,000 credits once for $1,000 ($2.00 per 1,000) · 1,000,000 credits once for $1,700 ($1.70 per 1,000) | $2.55 | 100% refund for qualifying emails when its accuracy on emails marked 'Deliverable' isn't met, 99%+ on those with a score of 99~100 and 97%+ on the rest: sent within 24 hours of verification, hard bounces, a list of 1,000+ unique emails from 100+ domains, reported within 7 days of the campaign | BounceBan verifies all kinds of emails and shines at verifying emails that are accept-all or protected by SEGs (Secure Email Gateway). We don't simply mark all accept-alls as risky like others do - we help you identify those that are deliverable indeed while achieving excellent overall delivery rates. | live | no limit, but no collection, compilation, database or directory compiled from it without BounceBan's written permission | You may not access or use the Site for any purpose other than that for which we make the Site available. The Site may not be used in connection with any commercial endeavors except those that are specifically endorsed or approved by us. [...] By using the Site, you represent and warrant that: [...] (5) you will not access the Site through automated or non-human means, whether through a bot, script or otherwise [...] As a user of the Site, you agree not to: Systematically retrieve data or other content from the Site to create or compile, directly or indirectly, a collection, compilation, database, or directory without written permission from us. [...] Make any unauthorized use of the Site, including collecting usernames and/or email addresses of users by electronic or other means for the purpose of sending unsolicited email [...] Engage in any automated use of the system, such as using scripts to send comments or messages, or using any data mining, robots, or similar data gathering and extraction tools. [...] Use any information obtained from the Site in order to harass, abuse, or harm another person. [...] Use the Site in a manner inconsistent with any applicable laws or regulations. | $255 | 100,000 credits a month | 100,000 results a month | never: rolled over to the next period, and still valid after cancelling | 3 | 500,000 | by polling or webhook | emails. Optional: name, url, url_finished, greylisting_bypass, mode, disable_catchall_verify | POST | /v1/verify/bulk | 100,000 Credits, Monthly subscription (15% off) | anyone 18 or over | ||||||||||||||||||||||
| Bouncer, $320 monthly, Monthly Subscription, 100,000 credits, POST /v1.1/email/verify/batch | N/A | 50 | N/A | 55 | 83 | N/A | $3.20 | monthly | $320 | $0.00 | none | result | from the same budget: Verify email · Process with email verification queue · Verify domain · Create toxicity list job · Email Verification | $3.20 | money back (a credit or refund) for an address it said deliverable that bounces within 72 hours of the check, for an objective reason, not spam or soft bounces | Bouncer Email Verification API lets you validate email address and verify its deliverability, in the way you want. It’s easy to integrate, powerful, robust, secure, ultrafast and affordable. | live | no limit | In order to use our Services, you must agree to verify only email addresses for which the Recipients have granted you verifiable permission for the messages to be sent – all Recipients must have opted-in to receive communications from you. [...] You may not use our Services to: verify email addresses without the subscriber’s permission to receive email communications from your entity, verify purchased lists (whether they are opt-in or not), verify harvested email addresses from web sites or other sources, verify permutations of email addresses, verify generated email addresses. [...] You may: verify email addresses for which a user has opted-in to receive email communications from you, verify email addresses provided by your end-users via a sign-up form. [...] As a user of the Site, you agree not to: [...] use any information obtained from the Site in order to harass, abuse, or harm another person, use the Site as part of any effort to compete with us or otherwise use the Site and/or the Content for any revenue-generating endeavor or commercial enterprise [...], use the Site in a manner inconsistent with any applicable laws or regulations. | $320 | 100,000 credits a month | 100,000 results a month | never | 1 | by polling or webhook | email. Optional: callback | POST | /v1.1/email/verify/batch | Monthly Subscription, 100,000 credits | anyone 18 or over with a work email, a private one (Gmail, Hotmail) only after writing to Bouncer first | ||||||||||||||||||||||||
| Bouncify, $479 monthly | N/A | 82 | N/A | 62 | 50 | N/A | $0.479 | monthly | $479 | $0.479 | none | call | from the same budget: Bulk Validation API | $0.479 | Integrate Bouncify's high-speed email validation api into your signup forms, SaaS apps, and checkout flows. Block invalid signups with sub-100ms latency, 99%+ deliverability accuracy, and credits that never expire. | live | no limit | By using the Site, you represent and warrant that: [...] you will not access the Site through automated or non-human means, whether through a bot, script, or otherwise, you will not use the Site for any illegal or unauthorized purpose, your use of the Site will not violate any applicable law or regulation. [...] You will not sell, transfer, or assign your account or any account rights. | $479 | 1,000,000 credits a month | 1,000,000 calls a month | 2 | 1 | in the call | email. Optional: timeout | GET | /verify | 1 Million Verifications / month | anyone outside Europe and India (its prices are set by region: the dollar ones are for the United States and the rest of the world) | |||||||||||||||||||||||||
| Bulk Email Checker, $250 monthly | N/A | 100 | N/A | 67 | 0 | N/A | no limit | monthly | $250 | $0.00 | none | call | nothing else | Unlimited email verification with dedicated concurrent threads and flat monthly pricing from $250/mo. No per-email costs, no caps, no surprises. Scale from thousands to millions of verifications without worrying about overages. Cancel anytime. | live | no limit | The Services are provided solely for legitimate email verification purposes. You agree to use the Services only for lawful purposes [...] You expressly agree NOT to: Use the Services for any unlawful, fraudulent, deceptive, or harmful purpose, Transmit, distribute, or facilitate the transmission of unsolicited bulk electronic mail ("spam") or any communications in violation of applicable anti-spam legislation, Engage in email harvesting, data mining, scraping, or any automated collection of email addresses, Upload, transmit, or distribute any viruses, malware, Trojan horses, worms, or other malicious code, Attempt to gain unauthorized access to Bulk Email Checker's systems, networks, servers, or other infrastructure, Conduct, facilitate, or participate in any security testing, vulnerability scanning, penetration testing, fuzzing, port scanning, or credential probing directed at the Services [...], Interfere with, disrupt, or impose an unreasonable burden on the Services or networks connected thereto, Reverse engineer, decompile, disassemble, or otherwise attempt to derive the source code of any software comprising the Services, Resell, sublicense, or commercially exploit the Services without prior written authorization, Provide unauthorized incentives or compensation for affiliate registrations. You shall not copy, reproduce, distribute, or create derivative works based on any part of the Services without prior written consent from Bulk Email Checker. | $250 | no limit | 1 | 1 | in the call | email. Optional: xml | GET | /unlimited/ | Unlimited API, 1 Thread | anyone at least 18 years old, or of the age of legal majority | |||||||||||||||||||||||||||
| Bytemine, top-up from $0.50 | N/A | 12 | N/A | 93 | 97 | N/A | $10.00 | pay first | none | call | from the same budget: Analyze Single Page · Build ICP · Bulk Enrich Contacts · Bulk Page Intelligence · Continue Company Scan · Detect Company Changes · Discover Site Structure · Enrich Contact · Enrich LinkedIn Profile · Enrich by Company Name · Find Email · Find Lookalikes · Full Company Intelligence Report · Generate Meeting Brief · Generate Proposal · Generate ROI Report · Get Contact by ID · Get Hiring Trends · Save Intelligence Snapshot · Score Accounts for Buying Intent · Search Acquisition Signals · Search Companies · Search Funding Signals · Search Job Changes · Search Job Postings · Search LinkedIn Posts · Search LinkedIn Profiles · Search Prospects · Start Deep Company Scan · Structured Intelligence Extract · Technology Stack for a Domain · Unlock Prospects · Who Runs This Technology | Risk score a signup or transaction using email, domain, IP, and behavioral signals. Catches disposable emails, fake domains, bot patterns, VPN and proxy traffic, and abusive signup behavior, and returns an allow, review, or block decision with itemized checks. Billed per check. | no limit | a limited, non-exclusive, non-transferable, non-sublicensable license to access and use the Services solely for internal business purposes including: Sales prospecting, Recruiting, Customer research, CRM enrichment [...] Customers may not: Resell, sublicense, or redistribute data obtained from the Services, Build a competing database or data brokerage service, Provide data to third parties outside their organization, Publish or distribute the data through APIs or public datasets, Reconstruct or replicate the platform database [...] Customers may not use the Services or data obtained through them to send spam, fraudulent or misleading communications, promote illegal goods, or engage in abusive or harassing outreach | $0.50 | $0.50 | 50 calls | 1 | in the call | nothing required. Optional: ip, name, email | POST | /functions/v1/api-gateway/fraud-check | Credits | anyone | ||||||||||||||||||||||||||||||
| Captain Verify, €225 monthly, 250,000 Email Verifications, subscription, GET /verify | N/A | 80 | N/A | 67 | 50 | N/A | $1.013 | monthly | $253.19 | $0.00 | none | call | from the same budget: File sending API | If you are looking for a reliable way to verify the validity of your emails, you can integrate Captain Verify's email verification API into your own applications. | live | no limit | “As SKYNETS is unable to verify the origin of files, it assumes that the CLIENT holds all necessary rights to process the personal data for which the CLIENT has engaged SKYNETS.” [...] “the services offered by captainverify.com are reserved for CLIENTs acting as business professionals.” [...] “Where SKYNETS has strong grounds to suspect that the files submitted may be used for fraudulent purposes, SKYNETS reserves the right to refuse to perform the service without entitling the CLIENT to a refund of the purchased credits.” | €225 | 250,000 credits a month | 250,000 calls a month | end of the month, unused credits are not carried over | 0.83 | 2 | 1 | in the call | 3.00 s | GET | /verify | 250,000 Email Verifications, subscription | business professionals | ||||||||||||||||||||||||
| WizLeads, $39 monthly, Freelancer, GET /email/verify-email | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Emelia, $19 monthly | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| LeadMagic, $99 monthly, Essential, POST /v1/people/email-validation | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Instantly, $9 monthly | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| VerificarEmails, €8 pack | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1Lookup, $99 monthly, Starter, POST /bulk/jobs | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1Lookup, $99 monthly, Starter, POST /email | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Abstract API, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| AeroLeads, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Airscale, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Alibaba Cloud, $70 pack, 10,000, POST /, SendValidateFile | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Alibaba Cloud, $70 pack, 10,000, POST /, ValidateEmail | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Amazon SES, pay as you go | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Antideo, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| AnyAPI, free, trial key, POST /v1/run/email_verification.allegrow | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| AnyAPI, free, trial key, POST /v1/run/email_verification.bounceban | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| AnyAPI, free, trial key, POST /v1/run/email_verification.icypeas | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| AnyAPI, free, trial key, POST /v1/run/email_verification.zerobounce | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| AnyAPI, free, trial key, POST /v1/run/email.verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Anymail Finder, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| APIFreaks, free, One-Off 10,000 credits, POST /email-validation/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| APIFreaks, free, One-Off 10,000 credits, POST /email-validation/single | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| APILayer, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BetterEnrich, free, 100 credits free, POST /api/v1/verify-catch-all-email | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BetterEnrich, free, 100 credits free, POST /api/v1/verify-normal-email | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BillionVerify, $20 pack, Starter, POST /verify/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BillionVerify, $20 pack, Starter, POST /verify/file | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BillionVerify, $20 pack, Starter, POST /verify/single | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Bird, top-up from $15, Email address lookup, POST /v1/lookup/email | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Bird, top-up from $15, Email address lookup, GET /v1/lookup/email/{address} | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BounceBan, top-up from $40, 10,000 Credits, Pay-As-You-Go, POST /v1/verify/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BounceBan, top-up from $40, 10,000 Credits, Pay-As-You-Go, POST /v1/verify/bulk/file | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BounceBan, top-up from $40, 10,000 Credits, Pay-As-You-Go, GET /v1/verify/single, Single email verification | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BounceBan, top-up from $40, 10,000 Credits, Pay-As-You-Go, GET /v1/verify/single, Single email verification (Clay, N8N, and other waterfall services) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BounceCheck, free, Free, POST /verification/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BounceCheck, free, Free, POST /verification/disposable-check | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BounceCheck, free, Free, POST /verification/single | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BounceCheck, free, Free, POST /verification/bulk/list | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Bounceless, free, 100 credits once, POST /v1/requests, Create a batch (emails) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Bounceless, free, 100 credits once, POST /v1/requests, Create a batch (listId) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Bounceless, free, 100 credits once, POST /v1/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Bouncer, free, 100 free credits, POST /v1.1/email/verify/batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Bouncer, free, 100 free credits, GET /v1.1/email/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Bouncify, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Bulk Email Checker, $2.95 pack | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Bytemine, pay as you go | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Captain Verify, free, 100 free email credits, GET /verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Captain Verify, free, 100 free email credits, POST /file/email | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Clearout, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Data8, free, trial, POST /EmailValidation/Cleanse.json | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Data8, free, trial, POST /EmailValidation/IsValid.json | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Data247, $12 pack | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Databar, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DeBounce, free, 100 free credits, GET /v1/upload/ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DeBounce, free, 100 free credits, GET /v1/, Single email validation | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DeBounce, free, 100 free credits, GET /v1/, Single email validation, full | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Derrick, €47.50 monthly | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Didit, top-up from $50 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dropcontact, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dropleads, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EasyEmailAPI, $19 monthly | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Email Hippo, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Email List Validation, free, 100 free credits, POST /api/v1/verify/batch/upload | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Email List Validation, free, 100 free credits, POST /api/v1/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Email Verifier API, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Emailable, free, 250 free credits, POST /v1/batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Emailable, free, 250 free credits, GET /v1/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| emailfinder.dev, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Emailit, free, Free, POST /email-verification-lists | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Emailit, free, Free, POST /email-verifications | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EmailListVerify, free, 100 free verifications, POST /api/verifyApiFile | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EmailListVerify, free, 100 free verifications, GET /api/verifyEmail | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EmailListVerify, free, 100 free verifications, GET /api/verifyEmailDetailed | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EmailMarker, free, Free, POST /api/upload | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EmailMarker, free, Free, GET /api/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EmailOversight, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| emailvalidation.io, free, Free, POST /v1/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| emailvalidation.io, free, Free, GET /v1/info | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EmailVerify.io, free, Free, POST /validate-batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EmailVerify.io, free, Free, GET /validate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Enrich.so, free, Free, POST /email-validation | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Enrich.so, free, Free, POST /email-validation/batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Enrichley, $59 monthly | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EnrichmentAPI, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Enrow, $125 pack | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EnvoAPI, free, Free, GET /v1/emails/disposable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| EnvoAPI, free, Free, GET /v1/emails/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Evaboot, free, trial, POST /v1/email-validation/single/ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Evaboot, free, trial, POST /v1/email-validation/ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Exellius Systems Inc, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fama Official, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fiber AI, free, Cardless API trial | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| FindEmails.com, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Findymail, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Gamalogic, free, 500 free credits on signup, POST /batchemailvrf | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Gamalogic, free, 500 free credits on signup, GET /emailvrf | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Generect, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| GetEmail.io, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| GetProspect, free, Free, POST /v2/email-verifications | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| GetProspect, free, Free, POST /v2/email/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| GetProspect, free, Free, GET /v2/email-verifier | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| graph8, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| HeroBounce, top-up from $5.25, Pay As You Go, under 10,000 credits, POST /bulk/upload/confirm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| HeroBounce, top-up from $5.25, Pay As You Go, under 10,000 credits, POST /validation/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| HeroBounce, top-up from $5.25, Pay As You Go, under 10,000 credits, POST /validation/single | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Heybounce, free, 100 credits, GET /validate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Heybounce, free, 100 credits, POST /validate_batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Hunter, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Icypeas, free, trial, POST /bulk-search | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Icypeas, free, trial, POST /email-verification | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Interzoid, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| IP-API.io, €10 monthly, Small, GET /api/v1/email/advanced/{email} | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| IP-API.io, €10 monthly, Small, POST /api/v1/email/advanced/batch/csv | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| IP-API.io, €10 monthly, Small, POST /api/v1/email/advanced/batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| KaijuVerifier, free, Free, POST /api/v1/jobs | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| KaijuVerifier, free, Free, POST /api/v1/verify-batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| KaijuVerifier, free, Free, POST /api/v1/verify-single | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Kickbox, free, 100 verifications, GET /verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Kickbox, free, 100 verifications, PUT /verify-batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| KIRIM.EMAIL, $35 pack, Dev, POST /api/email/validate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| KIRIM.EMAIL, $35 pack, Dev, POST /api/email/validate/strict | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| KIRIM.EMAIL, $35 pack, Dev, POST /api/email/validate/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| KIRIM.EMAIL, $35 pack, Dev, POST /api/email/validate/bulk/strict | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Kitt AI, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| LeadMagic, $99 monthly, Essential, POST /v1/batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| lemlist, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Limadata, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Listar, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Listclean, free, trial, POST /verify/email/batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Listclean, free, trial, GET /verify/email/{email} | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| looot, top-up | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loqate, free, trial, GET /EmailValidation/Batch/Validate/v1.20/json6.ws | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loqate, free, trial, POST /EmailValidation/Bulk/Submit/v1.00/json4.ws | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loqate, free, trial, GET /EmailValidation/Interactive/Validate/v2.00/json6.ws | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailboxValidator, free, API-FREE | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailerCheck, free, 10 free credits, PUT /lists/{id}/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailerCheck, free, 10 free credits, POST /check/single | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailerCheck, free, 10 free credits, POST /check/single-async | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mailercloud, $5 monthly, Email Verifier Plan – 1K, POST /verifyFile | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mailercloud, $5 monthly, Email Verifier Plan – 1K, POST /verifyEmail | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailerSend, free, Free, POST /email-verification | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailerSend, free, Free, POST /email-verification/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailerSend, free, Free, POST /email-verification/verify-async | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mailfloss, free, Free, POST /v1/batch-verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mailfloss, free, Free, GET /v1/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mailrook, free, forever, POST /v1/validate/batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mailrook, free, forever, POST /v1/validate/batch/upload | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mailrook, free, forever, GET /v1/validate/{email}, Validate a single email | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mailrook, free, forever, GET /v1/validate/{email}, Validate a single email, full | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mails.so, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mailsfinder, $249 pack, Lifetime, POST /email/verifyBulkEmail | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Mailsfinder, $249 pack, Lifetime, POST /email/verifyEmail | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailsGuard, free, Free, POST /api/v1/jobs | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailsGuard, free, Free, POST /api/v1/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailSift, free, Free, POST /verify/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailSift, free, Free, GET /verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailSift, free, Free, POST /verify/batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailValid, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailValidation.io, free, Free, POST /api/validate/ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailValidation.io, free, Free, POST /a/{team_slug}/validate/api/bulk/ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailVeri, free, 1,000 free credits, POST /verify-mails/ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MailVeri, free, 1,000 free credits, POST /verify-mail/ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Melissa, free, Monthly Top-off, GET /V4/WEB/GlobalEmail/doGlobalEmail | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Melissa, free, Monthly Top-off, POST /V4/WEB/GlobalEmail/doGlobalEmail | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MillionVerifier, $39 pack, 10,000 verification credits, POST /bulkapi/v2/upload | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MillionVerifier, $39 pack, 10,000 verification credits, GET /api/v3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Minelead, free, Free, GET /detect-disposable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Minelead, free, Free, GET /validate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MyEmailVerifier, free, 100 free credits daily, POST /verifier/upload_file | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| MyEmailVerifier, free, 100 free credits daily, GET /verifier/validate_single/{email}/{API_KEY} | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Neutrino API, free, Free, GET /email-validate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Neutrino API, free, Free, GET /email-verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| NeverBounce, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| No2Bounce, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| OneShot, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Openapi.com, top-up, Single request, POST /email-advanced/{email} | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Openapi.com, top-up, Single request, POST /email-start/{email} | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Oppora, $7 monthly, Mini Pack Data Credits, POST /email/verify/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Oppora, $7 monthly, Mini Pack Data Credits, POST /email/verify, Verify email | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Oppora, $7 monthly, Mini Pack Data Credits, POST /email/verify, Verify email (advanced mode) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Outscraper, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ParheliaWeb, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| PayPerQ, pay as you go, Pay per request with L402, POST /api/hunter/email-verifier | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| PayPerQ, pay as you go, Pay per request with L402, POST /api/minerva/validate-emails | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| PeopleDB, free, Free, GET /email_verifications | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| PeopleDB, free, Free, POST /email_verifications | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Piloterr, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| pipe0, top-up from $10, Pay as you go, POST /v1/pipes/run/sync, Validate email (email:validate:zerobounce@1) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| pipe0, top-up from $10, Pay as you go, POST /v1/pipes/run/sync, Validate email (person:email:validate:millionverifier@1) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Proofy, $5 pack, Pay-As-You-Go, 1,000 credits, POST /verify/batch/create | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Proofy, $5 pack, Pay-As-You-Go, 1,000 credits, GET /verify/single | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| QuickEmailVerification, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ReachStream, $9 pack | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Renidly, $50 pack | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reoon, free, Tier, POST /create-bulk-verification-task/ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reoon, free, Tier, GET /verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reply.io, $20 monthly | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| RichAPI, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| RouterGrowth, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| SafetyMails, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ScraperCity, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Scrubby, free, 200 free credits, POST /validate_bulk_emails | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Scrubby, free, 200 free credits, POST /validate_email | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Scrubby, free, 200 free credits, POST /validate_bulk_emails/deep/ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Scrupp, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sealch, free, Free, POST /api/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sealch, free, Free, POST /api/verify/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| SendPulse, free, Subscription 100, POST /verifier-service/send-single-to-verify/ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| SendPulse, free, Subscription 100, POST /verifier-service/send-list-to-verify/ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| SilverLining, pay as you go | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sniffmail, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Snov.io, $39 monthly | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| StableEnrich, pay as you go | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| StartupHub.ai, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| SuperSend, $59 monthly | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Tomba, pay as you go, Pay per request (agents.tomba.io), GET /email-verifier, Email Verifier | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Tomba, pay as you go, Pay per request (agents.tomba.io), GET /email-verifier, Email Verifier, full | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| treg, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TrekMail, free, Nano, POST /verify/bulk, Create a bulk job (deep) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TrekMail, free, Nano, POST /verify/bulk, Create a bulk job (quick) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TrekMail, free, Nano, POST /verify, Verify one address (deep) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TrekMail, free, Nano, POST /verify, Verify one address (quick) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Truelist, free, Free, POST /api/v1/batches | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Truelist, free, Free, POST /api/v1/verify_inline | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Twilio SendGrid, $89.95 monthly, Pro 100,000 emails/mo, PUT /v3/validations/email/jobs | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Twilio SendGrid, $89.95 monthly, Pro 100,000 emails/mo, POST /v3/validations/email | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Valid Email Checker, free, 150 free credits on signup, POST /verify-bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Valid Email Checker, free, 150 free credits on signup, POST /verify-single | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| validTo, free, Get Started Free, POST /bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| validTo, free, Get Started Free, GET /verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Verifalia, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| verifications.email, free, Free, POST /api/v1/verify/async/upload | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| verifications.email, free, Free, POST /api/v1/verify/batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| verifications.email, free, Free, POST /api/v1/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Verifly, free, 100 credits, POST /verify/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Verifly, free, 100 credits, GET /verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Verifly, free, 100 credits, POST /verify/batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| VerifyEmail.io, free, Free, POST /api/email | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| VerifyEmail.io, free, Free, GET /api/email | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| VerifyForge, free, Free, GET /api/validate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| VerifyForge, free, Free, POST /api/validate/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| VerifySwift, free, 20 daily credits | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Verimail, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| VeriMails, free, Free, POST /api/bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| VeriMails, free, Free, POST /api/verify/single | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Versium, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Voila Norbert, pay as you go, Verify pay-as-you-go, up to 500k emails | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Waterfall.io, contact us | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| WhoisXML API, free, Free, POST /api/bevService/request | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| WhoisXML API, free, Free, GET /api/v3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| WizLeads, $39 monthly, Freelancer, POST /email/verify-email-batch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Xverify, free | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ZeroBounce, free, Freemium, POST /v2/validatebatch | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ZeroBounce, free, Freemium, GET /v2/validate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Zooq, free, 300 free credits, GET /api/v1/email/verify | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Zooq, free, 300 free credits, POST /api/v1/email/verify-bulk | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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