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Mailnjoy pricing: email verification API, POST /v2/unitary, Unitary validation (deep)

Mailnjoy's sitellms.txtEmail validation API: 160+ providers comparedMailnjoy: email verification API alternatives

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50% complete: 3 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsIn our email verification API benchmark, Mailnjoy's best plan scores 54.0 out of 100.This plan is free. We rank 3,341 plans for email verification APIs by price. Half the plans cost $1.985 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: 200 free credits one of Mailnjoy's 18 plans
Call: POST /v2/unitary, Unitary validation (deep) one of Mailnjoy's 2 calls
API: Email verification API Mailnjoy's only API

About this item

  • Live. Mailnjoy checks the email when you call the API.
  • 3 of the 6 key fields we check. Address, Deliverability, Confidence.
  • Nothing to pay. You get 200 credits. Calls stop once your credits run out. Credits never expire.
  • One call. You send email to POST /v2/unitary. You set type to "deep" and the Content-Type header to "text/plain". The call returns whether the address takes mail.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

Mailnjoy: email verification API alternatives

Mailnjoy 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 planMailnjoy, free, 200 free credits, POST /v2/unitary, Unitary validation (deep)MailTester Ninja, free, No tokenEnrich.so, free, POST /email-validationGetProspect, free, POST /v2/email-verificationsSealch, free, POST /api/verifyInfobip, free
$ per 1,000 emails$0.00$0.00$0.00$0.00$0.00$0.00
Completeness50%50%50%50%17%33%
Billingfreefreefreefreefreefree
Pay$0$0$0$0$0$0
Enough fornot published300 calls a month100 calls, once100 results a month200 calls, oncenot published
Freshnesslivelivelivelivelivelive
Who can get itanyoneanyone at least 18 years old, or the age of majority in their jurisdictionanyone 18 or over, on a new account, for an organization, someone with authority to bind itanyone 16 or overanyoneanyone of legal age to form a binding contract with Infobip

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

  1. github.com/mailnjoy/check-api
  2. mailnjoy.com/check/en/cgu/
  3. mailnjoy.com/check/en/developer/
  4. mailnjoy.com/check/en/email-checker/
  5. mailnjoy.com/check/en/price/
  6. mailnjoy.com/check/en/validation/
  7. mailnjoy.com/hunt/en/developer/
  8. mailnjoy.com/hunt/en/pricing/
  9. raw.githubusercontent.com/mailnjoy/check-api/master/openapi-specs/api-specification.yaml

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, not in the answer
Price
$ per 1,000 emails$0.00
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Email search API
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchIntegrate email verification directly into your tools with the Mailnjoy API
Data
Freshnesslive
What it checksformat, mail servers, disposable domains, role addresses, mailbox
Keep datano limit
Use dataUse of MAILNJOY Services resulting from subscription to said Services is strictly personal and may not be rented, transferred free of charge or in return for payment to a third party. In the absence of prior authorization, use of MAILNJOY is limited to a single account per User. Any use of the Services likely to damage, disable or overload MAILNJOY’s infrastructure or the networks connected to MAILNJOY’s servers, or to hinder the enjoyment of the Services by other Users [...] is prohibited. [...] The use of the Services for the purpose of selling products or services related to illegal or fraudulent activities or encouraging such activities [...] is prohibited. Any use of the Services in contravention of applicable telemarketing, e-mail marketing, anti-spam, anti-phishing or personal data protection regulations is prohibited. Any use of the Services in violation of the rights of third parties is prohibited.
Plan
Pay$0
You get200 credits
Expiresnever
Rate limit
Batch1
Speed
Answerin the call
The call
You sendemail, type "deep", Content-Type header "text/plain"
MethodPOST
Path/v2/unitary
About the plan
Plan200 free credits
Who can get itanyone
The 25 fields the plan's answer can hold

ID, email address, created, validated on, validation type, user ID, status, category, alias, free, autogenerated, catch-all, disposable, role, spamtrap, protected, suspect, social media, marketing platform, breach list, fraud list, blacklisted, young, score, score total

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