Datacircle

LeadSonar pricing: email verification API

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17% complete: 1 of the 6 fields on our checklistSee the 6 fields
$0.316per 1,000 emailsWe haven't run LeadSonar through our email verification API benchmark yet.We rank 4,207 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 90% of the 4,207 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, looot and MailTester Ninja are the best email verification API providers in the Datacircle benchmark.
Type a number to see the cheapest LeadSonar plan for that many emails. The table below then sorts the other plans by what each costs.
Plan: Growth one of LeadSonar's 4 plans
Call: Docs behind sign-up LeadSonar's only call for this API
API: Email verification API one of LeadSonar's 5 APIs

About this item

  • Live. LeadSonar checks the email when you call the API.
  • 1 of the 6 fields on our checklist. Deliverability.
  • A monthly subscription. You pay $79 a month for 250,000 credits, enough for 250,000 calls.
  • One call. LeadSonar shows the call's docs once you sign up.
  • Anyone can get it. Keep data: with conditions. Use data: with conditions.

LeadSonar: email verification API alternatives

LeadSonar alternatives: other email verification API providers by price

We list other providers' plans closest to this plan in price per 1,000 emails. Each plan in the table gives live data.

This planLeadSonar, $79 monthlySealch, $79 monthly, Monthly up to 250,000 / mo, POST /api/verifyTrumailo, $190 yearlyKanta, $1,142.40 yearly, All Access Scale (annual), POST /verifyMillionVerifier, $1,599 pack, 5,000,000 verification credits, GET /api/v3
$ per 1,000 emails$0.316$0.316$0.317$0.317$0.32
Completeness17%17%50%33%50%
Billingmonthlymonthlyyearlyyearlypay first
Pay$79$79$190$1,142.40$1,599
Enough for250,000 calls a month250,000 calls a month50,000 calls a month300,000 calls a month5,000,000 calls
Freshnesslivelivelive (MX, provider: 24 hours)livelive
Who can get itanyoneanyoneanyone 16 or olderanyonea legal entity, public body, organisation, sole trader, self-employed professional or other person acting only for business purposes

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

  1. leadsonar.io
  2. leadsonar.io/agent.json
  3. leadsonar.io/alternative/best-b2b-data-enrichment-tools.md
  4. leadsonar.io/llms.txt
  5. leadsonar.io/pricing
  6. leadsonar.io/pricing.md
  7. leadsonar.io/terms.html

Product details

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

  • Address, not in the answer
  • Deliverability
  • Confidence, not in the answer
  • Name, not in the answer
  • Place, not in the answer
  • Company, not in the answer
Price
$ per 1,000 emails$0.316
Percall
Billingmonthly
$ a month$79
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Employee email · Employee phone
In their words
Their pitchEvery email is SMTP-verified before you get it. Catch-all, disposable, and role-based addresses are flagged.
Data
Freshnesslive
What it checksdisposable domains, role addresses, mailbox
Keep datano period set while your account is open, on termination (8): "you must stop using data obtained through it except where you have an independent lawful basis to keep it"
Use data4: You must: have and maintain your own lawful basis for contacting the people whose data you obtain, and comply with the GDPR, the ePrivacy rules and any other law that applies to your outreach, honour objections and opt-out requests you receive, promptly and across your systems, identify yourself accurately in the messages you send, and provide a working means to opt out, keep the data secure and limit access to those who need it. You must not: use the data to contact people in a consumer capacity, or for any purpose outside business-to-business communication, resell, redistribute or publish the data, or use it to build or enrich a competing database, use the data for harassment, deception, discrimination, or any unlawful purpose, scrape, bulk-export or otherwise extract the database beyond the credits and exports your plan allows, circumvent credit limits, rate limits or access controls, including by opening multiple accounts to obtain repeated free trials, interfere with the operation, security or integrity of the service.
Plan
Pay$79
You get250,000 credits a month
Enough for250,000 calls a month
The call
You sendDocs behind sign-up
About the plan
PlanGrowth
Who can get itanyone
The 4 fields the plan's answer can hold

status, catch-all, disposable, role address

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