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RealMail pricing and alternatives: email verification API

RealMail's sitellms.txtBest email verification API in 2026

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33% complete: 2 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsWe rank 2,475 plans by price. treg's top-up from $10 costs the least per 1,000 emails: $0.00 on average. treg asks one provider after another until one answers. You pay $26.95 per 1,000 emails when no provider answers.Enrich.so, GetProspect and treg are the best email verification API providers in our benchmark.
Plan: Free trial one of RealMail's 9 plans
Call: POST /v1/validate RealMail's only call
API: Email verification API RealMail's only API

About this item

  • Stored. RealMail may skip the mail server and answer from stored data. RealMail doesn't say how old the data is.
  • 2 of the 6 key fields we check. Address, Deliverability.
  • Nothing to pay. You get 100 credits once, enough for 100 calls.
  • One call. You send email to POST /v1/validate. You set the Content-Type header to "application/json". The call returns whether the address takes mail.
  • Anyone can get it. Keep data: no limit. Use data: any.

RealMail: email verification API alternatives

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

RealMail, $500 packBigDataCloud, $9.95 monthlyReefAPI, $50 monthlyEmailit, top-up from $20, Pay as you go, POST /email-verifications, Verify an addressElastic Email, $1,500 monthly, Email Marketing Pro (300,000 contacts), POST /verifications/files
$ per 1,000 emails$1.00$0.995$1.00$1.00$1.00
Completeness33%33%67%67%50%
Billingpay firstmonthlymonthlypay firstmonthly
Pay$500$9.95$50$20$1,500
Enough for500,000 calls10,000 calls a month50,000 calls a month20,000 calls1,500,000 results a month
Freshnessstoredstoredstoredstored (has MX records: live)stored
Who can get itanyoneanyone with an account, giving true and complete information about themselves, their business and their contact detailsanyoneentrepreneurs acting in the course of their businessanyone at least the age of majority in their jurisdiction, with a registered account

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 2026-10-27.

  1. realmail.dev
  2. realmail.dev/docs
  3. realmail.dev/legal/privacy
  4. realmail.dev/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, 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
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitchFriendly, customizable, and accurate email validation with minimal technical implementation and real-time configuration.
Data
Freshnessstored
What it checksformat, mail servers, disposable domains, role addresses
Keep datano limit
Use dataany
Plan
Pay$0
You get100 credits
Enough for100 calls, once
Rate limit
Batch1
Speed
Answerin the call
The call
You sendemail, Content-Type header "application/json"
MethodPOST
Path/v1/validate
About the plan
PlanFree trial
Who can get itanyone
The 12 fields the plan's answer can hold

email address, valid email format, suggestion, MX found, active website, disposable, suspected role, free email provider, valid, reason code, reason message, remaining validations

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