Datacircle

SiteCheck pricing: email verification API

SiteCheck's siteThis page as plain textEmail validation API: best verification providers comparedSiteCheck: email verification API alternatives

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50% complete: 3 of the 6 fields on our checklistSee the 6 fields
$0.04per 1,000 emailsWe haven't run SiteCheck through our email verification API benchmark yet.We rank 4,337 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. This plan costs less per 1,000 emails than 96% of the 4,337 plans.treg's top-up from $10 is the cheapest paid plan per 1,000 emails: $0.00 on average. treg asks one provider after another until one answers. You pay $68.365 per 1,000 emails when no provider answers. StableEnrich's pay-as-you-go plan costs the least for 10,000 emails a month: $0.05.Disify's $9 monthly plan (/email) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.pingutil, Validemail.co and looot are the best email verification API providers in the Datacircle benchmark.
Type a number to see the cheapest SiteCheck plan for that many emails. The table below then sorts the other plans by what each costs.
Plan: x402 pay per call SiteCheck's only plan
Call: GET /api/email-check SiteCheck's only call for this API
API: Email verification API one of SiteCheck's 29 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 3 of the 6 fields on our checklist. Address, Deliverability, Company.
  • Nothing to buy first. You pay per call.
  • One call. You call GET /api/email-check. Every input is optional: email, emails.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

SiteCheck: email verification API alternatives

SiteCheck alternatives: other email verification API providers by price

We list other providers' plans closest to this plan in price per 1,000 emails. We also show the SignupVet plan. Its price is farther from this plan's price.

This planSiteCheck, pay as you goSignupVet, freeipv4.fr, €9 monthly, Pro, GET /api/v1/email/{email}SimpleVerifier, $39 monthly, Pro, POST /listsCleanTalk, $4,320 yearly, 9,000,000 checks a month, 12 months (20% off), POST /ApiZero, CNY 199 yearly
$ per 1,000 emails$0.04$0.00$0.034$0.039$0.04$0.041
Completeness50%67%33%50%33%50%
Billingpay as you gofreemonthlymonthlyyearlyyearly
Payper call$0€9$39$4,320CNY 199
Enough foras many as you pay for250 calls a month10,000 calls a day1,000,000 results a month108,000,000 results a year2,000 calls a day
Freshnessunknownunknownlive14 daysunknownunknown
Who can get itanyone at least 18 acting for business purposes (not a consumer), not a person subject to sanctions or from a region where the service or the payment would be prohibited, with no account or API key, paying each call in USDC (x402)businesses, trades and professions, not consumersanyoneanyone old enough to enter a binding contract where they liveanyone, but not a resident of a country embargoed by the United States, or a foreign person or entity blocked or denied by the United States governmentanyone with an account (acting for an organization, authorized to act for it)

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

  1. api.cdp.coinbase.com/platform/v2/x402/discovery/resources
  2. api.sitecheck-api.workers.dev
  3. api.sitecheck-api.workers.dev/llms.txt
  4. api.sitecheck-api.workers.dev/openapi.json
  5. api.sitecheck-api.workers.dev/pricing
  6. api.sitecheck-api.workers.dev/terms

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Address
  • Deliverability
  • Confidence, not in the answer
  • Name, not in the answer
  • Place, not in the answer
  • Company
Price
$ per 1,000 emails$0.04
Perresult
Billingpay as you go
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
In their words
Their pitchE-mail pre-check without SMTP: syntax, whether the domain can receive mail (MX or implicit MX, null MX, non-existent domain), disposable domain (9,000+ domain CC0 list), role account (info@, sales@...), free provider and a typo suggestion (gmial.com -> gmail.com). Verdict invalid / risky / unknown. Up to 50 addresses per call with emails=.
Data
What it checksformat, mail servers, disposable domains, role addresses
Keep datano limit
Use dataBusiness use only: SiteCheck is offered to businesses, developers and professionals for use in their trade, business or profession. It is not offered to consumers. [...] SiteCheck is not a consumer reporting agency. You must not use results as a factor in decisions about a person's eligibility for credit, insurance, employment, housing or similar purposes under the US Fair Credit Reporting Act or comparable laws. Content in results that belongs to a source remains that source's. You are responsible for making sure that your use, storage and redistribution of results complies with the law (including copyright, database rights and data protection law) and with the terms of the original source. [...] Do not use SiteCheck for anything unlawful, to harass, track, stalk or discriminate against any person, to build profiles of individuals without a lawful basis, or to infringe anyone's rights. Do not attack, overload, scan for weaknesses or try to bypass payment, rate limits or other controls, and do not use the service to attack or overload third-party sources. Do not use SiteCheck if you are, or act for, a person subject to sanctions, or from a country or region where the service or the payment would be prohibited.
Plan
Payper call
Rate limit
Batch50
Speed
Answerin the call
The call
You sendnothing required. Optional: email, emails
MethodGET
Path/api/email-check
About the plan
Planx402 pay per call
Who can get itanyone at least 18 acting for business purposes (not a consumer), not a person subject to sanctions or from a region where the service or the payment would be prohibited, with no account or API key, paying each call in USDC (x402)
The 11 fields the plan's answer can hold

email, normalized email, domain, verdict, reasons, MX record, MX host, disposable, role, free provider, did you mean

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