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Mailrook pricing and alternatives: email verification API, GET /v1/validate/{email}, Validate a single email, full

Mailrook's sitellms.txtBest email verification API in 2026
67% complete: 4 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsThe cheapest of the 1,712 plans we rank by price is treg, top-up from $10, at $0.00 per 1,000.
Plan: Free forever one of Mailrook's 6 plans
Call: GET /v1/validate/{email}, Validate a single email, full one of Mailrook's 4 calls
API: Email verification API one of Mailrook's 2 APIs

About this item

  • Live. The call checks the email when you make it.
  • 4 of the 6 key fields we check. Address, Deliverability, Confidence, Company.
  • Nothing to pay. You get 25 credits a day, enough for about 8 calls. Unused credits expire: resets daily at midnight UTC.
  • One call. You send email to GET /v1/validate/{email}. You set include to "enrichment". The call returns whether the address takes mail.
  • Anyone can get it. Keep data: no API terms. Use data: no API terms.

Mailrook: email verification API alternatives

The table starts with Mailrook's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to Mailrook's. Each plan in the table gives live data.

Mailrook, $199 monthly, Scale, GET /v1/validate/{email}, Validate a single email, fullAbstract API, $715 yearlyAnymail Finder, $199 monthlySafetyMails, $39.80 monthlyGetProspect, $399 monthly, Growth 50k, POST /v2/email-verifications
$ per 1,000$3.98$3.972$3.98$3.98$3.99
Completeness67%67%17%33%50%
Billingmonthlyyearlymonthlymonthlymonthly
Pay$199$715$199$39.80$399
Enough for50,000 calls a month15,000 calls a month50,000 calls a month10,000 calls a month100,000 results a month
Freshnesslivelivelivelivelive
Who can get itanyoneanyone 18 or olderbusinesses onlyanyone 18 or of legal age in their jurisdiction, individuals and legal entitiesanyone 16 or over

Every email verification API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-20.

  1. mailrook.com
  2. mailrook.com/docs/api
  3. mailrook.com/domain-enrichment-api
  4. mailrook.com/email-validation-api
  5. mailrook.com/legal/privacy
  6. mailrook.com/legal/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
  • Name, not in the answer
  • Place, not in the answer
  • Company
Price
$ per 1,000$0.00
Billingfree
Aggregators
Aggregatorsnone
Charges
Percall
Also pays forfrom the same budget: Enrich a domain or email · Submit a batch of emails · Upload a file for batch validation
Not found
$ per 1,000$0.00
In their words
Their pitchSimple REST API for real-time email validation. Sub-500ms response times, structured JSON responses, and comprehensive documentation. Integrate in minutes.
Data
Freshnesslive
Keep datano API terms
Use datano API terms
Plan
Pay$0
You get25 credits a day
Enough forabout 8 calls a day
Expiresresets daily at midnight UTC
Rate limit
Batch1
Speed
Answerin the call
The call
You sendemail, include "enrichment"
MethodGET
Path/v1/validate/{email}
About the plan
PlanFree forever
Who can get itanyone
The 39 fields the plan's answer can hold

validation ID, email, normalized email, username, domain, MX record, email provider, score, valid format, valid domain, deliverable, not catch-all, not generic address, not disposable, not free email provider, not university domain, result, reason, reason label, email security, protection level, domain status, did you mean, has SPF, has DMARC, has website, domain age days, domain created at, domain expires at, registrar, registrant organization, registrant country, nameserver hosts, A record IP, ASN, ASN organization, response code, response message, enrichment

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