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Mailcheck.co pricing: email verification API, POST /v1/emails:check

Mailcheck.co's sitellms.txtEmail validation API: 180+ verification providers comparedMailcheck.co: email verification API alternatives

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17% complete: 1 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsWe haven't run Mailcheck.co through our email verification API benchmark yet.This plan is free. We rank 3,753 plans for email verification APIs by price. Half the plans cost $1.98 per 1,000 emails or less.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: Free Tier one of Mailcheck.co's 5 plans
Call: POST /v1/emails:check one of Mailcheck.co's 2 calls
API: Email verification API Mailcheck.co's only API

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 1 of the 6 key fields we check. Deliverability.
  • Nothing to pay. You get 100 results.
  • One call. You send emails to POST /v1/emails:check. The call returns a job. You fetch the answer once the job is done.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

Mailcheck.co: email verification API alternatives

Mailcheck.co alternatives: every email verification API provider ranked

The table starts with Mailcheck.co's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to Mailcheck.co's.

Mailcheck.co, $90 monthly, Enterprise, POST /v1/emails:checkBetterEnrich, $900 pack, One-time Payment, 40K credits, POST /api/v1/verify-catch-all-emailWhoisXML API, $540 yearly, Yearly subscription 10,000 Queries, GET /api/v3MailRambo, $9 packHeybounce, $225 pack, Pay As You Go 50,000 credits, GET /validate
$ per 1,000 emails$4.50$4.50$4.50$4.50$4.50
Completeness17%17%50%50%50%
Billingmonthlypay firstyearlypay firstpay first
Pay$90$900$540$9$225
Enough for20,000 results a month200,000 calls10,000 calls a month2,000 calls50,000 calls
Freshnessunknownlivelivelivelive
Who can get itanyone 18 or over (a minor needs a parent's or guardian's permission)anyone, for lawful business purposes onlyanyone, for internal business purposesanyoneanyone of age: “Heybounce is not marketed and should not be used by persons under the age of 18”

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. app.mailcheck.co/dashboard/payment_plans
  2. app.mailcheck.co/openapi.json
  3. mailcheck.co
  4. mailcheck.co/create-api-key
  5. mailcheck.co/faq
  6. mailcheck.co/l/docs
  7. mailcheck.co/privacy
  8. mailcheck.co/terms

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$0.00
Perresult
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Process a single email synchronously
Not found
$ per 1,000$0.00
In their words
Their pitchGet assured your mailing list contains only real emails addresses, get rid of bots and inactive users
Data
What it checksformat, mail servers, disposable domains, mailbox
Keep datano limit
Use dataYou 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. 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. [...] 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 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.
Plan
Pay$0
You get100 results
Enough for100 results
Speed
Answerby polling
The call
You sendemails
MethodPOST
Path/v1/emails:check
About the plan
PlanFree Tier
Who can get itanyone 18 or over (a minor needs a parent's or guardian's permission), 10 emails without a payment method, 100 once billing information is verified
The 7 fields the plan's answer can hold

operation name, total count, processed count, free limit reached, create time, done, result file URL

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