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Checkmails pricing: email verification API, POST /api/v1/verify

Checkmails's sitellms.txtEmail validation API: 180+ verification providers comparedCheckmails: email verification API alternatives

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33% complete: 2 of the 6 key fields we checkSee the 6 fields
$4.276per 1,000 emails€3.80 per 1,000 emails is $4.276 at the European Central Bank's rate of $1.1253 for €1.We haven't run Checkmails through our email verification API benchmark yet.Half of the 3,753 plans we rank by price cost $1.98 per 1,000 emails or less. This plan costs less per 1,000 emails than 26% of the 3,753 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.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.MailTester Ninja, Enrich.so and GetProspect are the best email verification API providers in the Datacircle benchmark.
Plan: Starter one of Checkmails's 4 plans
Call: POST /api/v1/verify one of Checkmails's 2 calls
API: Email verification API Checkmails's only API

About this item

  • Live. Checkmails checks the email when you call the API.
  • 2 of the 6 key fields we check. Address, Deliverability.
  • A monthly subscription. You pay €19 a month for 5,000 credits, enough for 5,000 calls. Calls stop once your credits run out.
  • One call. You send email to POST /api/v1/verify. The call returns whether the address takes mail.
  • Who can get it: anyone, for professional (B2B) use. Keep data: no limit. Use data: with conditions.

Checkmails: email verification API alternatives

Checkmails alternatives: every email verification API provider ranked

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

This planCheckmails, €19 monthly, Starter, POST /api/v1/verifyEnrow, $17 monthly, Start, POST /email/verify/singleListCheckup, €19 pack, Starter, GET /v1/verifySafetyMails, $30 monthlyEnrichley, $3,865.80 yearly
$ per 1,000 emails$4.276$4.25$4.276$4.286$4.295
Completeness33%33%67%33%33%
Billingmonthlymonthlypay firstmonthlyyearly
Pay€19$17€19$30$3,865.80
Enough for5,000 calls a month4,000 calls a month5,000 calls7,000 calls a month900,000 calls a year
Freshnesslivelivelivelivelive
Who can get itanyone, for professional (B2B) useany legal entity, through users aged 18 or over acting exclusively for professional purposesanyoneanyone 18 or of legal age in their jurisdiction, individuals and legal entitiesanyone at least 18 years old

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.

  1. checkmails.eu
  2. checkmails.eu/cgv
  3. checkmails.eu/docs
  4. checkmails.eu/openapi.json

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, not in the answer
Price
$ per 1,000 emails$4.276
Percall
Billingmonthly
$ a month$21.38
Aggregators
Aggregatorsnone
Charges
Also pays forGet the status of a bulk job · from the same budget: Verify a batch of emails asynchronously
Overage
Units caphard
Add-ons500 credits once for €5 ($11.253 per 1,000)
Not found
$ per 1,000$0.00
Catch-all
$ per 1,000$0.00
In their words
Their pitchEuropean SMTP verification service. Your data never leaves the European Union. No reselling, no tracking, automatic deletion.
Data
Freshnesslive
What it checksformat, mail servers, disposable domains, mailbox
Keep datano limit
Use dataLe Client garantit qu'il dispose d'une base légale valide au sens du RGPD pour traiter les adresses qu'il téléverse, qu'il n'a pas obtenu ces adresses par des moyens illicites (notamment scraping non conforme) et qu'il a respecté ses obligations d'information envers les personnes concernées. Sont prohibés le spam, la fraude, le contournement des limites du plan ou des protections techniques, et l'usage du service dans un contexte B2C sans base légale appropriée. [...] Le Client conserve l'intégralité des droits sur les données qu'il téléverse et sur les résultats produits
Plan
Pay€19
You get5,000 credits a month
Enough for5,000 calls a month
Rate limit
Per second1
Batch1
Speed
Answerin the call
The call
You sendemail
MethodPOST
Path/api/v1/verify
About the plan
PlanStarter
Who can get itanyone, for professional (B2B) use
The 10 fields the plan's answer can hold

email, valid, verdict, blocked, reason, MX host, SMTP code, flags, risk score, suggestion

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