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MailingAPI pricing: email verification API, POST /v1/validate/single

MailingAPI's sitellms.txtEmail validation API: 180+ verification providers comparedMailingAPI: email verification API alternatives

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33% complete: 2 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsIn our email verification API benchmark, the best plan from MailingAPI scores 45.5 out of 100. MailingAPI ranks 91st of 181 providers.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: First 1,000 one of MailingAPI's 4 plans
Call: POST /v1/validate/single one of MailingAPI's 2 calls
API: Email verification API MailingAPI's only API

About this item

  • Live. MailingAPI checks the email when you call the API.
  • 2 of the 6 key fields we check. Address, Deliverability.
  • Nothing to pay. You get 1,000 requests.
  • One call. You send email to POST /v1/validate/single. You can also send include_engagement, skip_catchall, skip_mx and skip_smtp. The call returns whether the address takes mail.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

MailingAPI: email verification API alternatives

MailingAPI alternatives: every email verification API provider ranked

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

MailingAPI, pay as you go, 100,001+, POST /v1/validate/singleBillionVerify, $20 pack, Starter, POST /verify/bulkVerimail, $100 packListclean, $5 pack, 5K Credits, GET /verify/email/{email}MillionPhones, $100 monthly
$ per 1,000 emails$1.00$1.00$1.00$1.00$1.00
Completeness33%67%50%33%33%
Billingpay as you gopay firstpay firstpay firstmonthly
Paymonthly$20$100$5$100
Enough foras many as you pay for20,000 results100,000 calls5,000 calls100,000 calls a month
Freshnesslivelivelivelivelive
Who can get itanyoneanyone at least 18 years old and legally able to enter into a contract, for their internal business purposes onlybusinesses and professionals, not directed at anyone under 18anyoneanyone with a work email

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-03.

  1. api.mailingapi.com/api/openapi
  2. mailingapi.com/api/docs
  3. mailingapi.com/docs/validation
  4. mailingapi.com/pricing
  5. mailingapi.com/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 forfrom the same budget: Batch validation
Not found
$ per 1,000$0.00
Catch-all
$ per 1,000$0.00
In their words
Their pitchEmail validation catches invalid addresses before you send, protecting your sender reputation and reducing bounces.
Data
Freshnesslive
What it checksformat, mail servers, disposable domains, role addresses, mailbox
Keep datano limit
Use data3.2 Dozwolone użycie: Usługa jest przeznaczona wyłącznie do wysyłania: Emaili transakcyjnych (potwierdzenia, powiadomienia), Emaili marketingowych do odbiorców, którzy wyrazili zgodę, Komunikacji zgodnej z prawem i polityką anti-spam. 3.3 Zabronione użycie: Zabrania się używania Usługi do: Wysyłania spamu lub niezamówionych wiadomości masowych, Phishingu lub innych oszustw, Rozpowszechniania złośliwego oprogramowania, Naruszania praw osób trzecich, Działań niezgodnych z prawem
Plan
Pay$0
You get1,000 requests
Enough for1,000 calls
Rate limit
Per second10
Batch1
Speed
Answerin the call
Median1.18 s
The call
You sendemail. Optional: include_engagement, skip_catchall, skip_mx, skip_smtp
MethodPOST
Path/v1/validate/single
About the plan
PlanFirst 1,000
Who can get itanyone
The 16 fields the plan's answer can hold

email address, valid, deliverable, reason, risk level, suggestion, validated at, syntax check, MX check, SMTP check, disposable, role, catch-all, suppressed, engagement grade, engagement score

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