# Mailnjoy, free, 200 free credits, POST /v2/unitary, Unitary validation (deep): Email verification API

> Integrate email verification directly into your tools with the Mailnjoy API

Mailnjoy's email verification API on its 200 free credits plan. It costs $0.00 per 1,000 emails. It returns 3 of the 6 key fields we check: Address, Deliverability, Confidence.
In [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt), 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](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt) 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)](https://datacircle.dev/validate-email-apis/disify/9-monthly-starter-post-email/llms.txt) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.
[MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt), [Enrich.so](https://datacircle.dev/validate-email-apis/enrich-so/499-monthly/llms.txt) and [GetProspect](https://datacircle.dev/validate-email-apis/getprospect/369-pack/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/mailnjoy/free-200-free-credits-post-v2-unitary-unitary-validation-deep
- [Email validation API: 160+ providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://mailnjoy.com/check/en/price/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://api.mailnjoy.com/v2/unitary`, Unitary validation (deep)
- API key: with the plan, on https://mailnjoy.com/check/en/price/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://github.com/mailnjoy/check-api/blob/master/openapi-specs/api-specification.yaml?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing#L28
- Sold by: Mailnjoy (https://mailnjoy.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 50%
- Address: ✓
- Deliverability: ✓
- Confidence: ✓

## Price

- $ per 1,000 emails: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Email search API

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Integrate email verification directly into your tools with the Mailnjoy API

## Data

- Freshness: live
- What it checks: format, mail servers, disposable domains, role addresses, mailbox
- Keep data: no limit
- Use data: Use 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 get: 200 credits
- Expires: never

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email, type "deep", Content-Type header "text/plain"
- Method: POST
- Path: /v2/unitary

## About the plan

- Plan: 200 free credits
- Who can get it: anyone

## 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

## Mailnjoy's plans (18)

- [Mailnjoy, free, 200 free credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/free-200-free-credits-post-v2-unitary-unitary-validation-deep/llms.txt): $0.00 per 1,000, 50% complete, live
- [Mailnjoy, €4 pack, 1,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/4-pack-1000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, $6 pack, 1,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/6-pack-1000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, €20 pack, 10,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/20-pack-10000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, $26 pack, 10,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/26-pack-10000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, €60 pack, 50,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/60-pack-50000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, $76 pack, 50,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/76-pack-50000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, €95 pack, 100,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/95-pack-100000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, $120 pack, 100,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/120-pack-100000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, €160 pack, 250,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/160-pack-250000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, $200 pack, 250,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/200-pack-250000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, €290 pack, 500,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/290-pack-500000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, $365 pack, 500,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/365-pack-500000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, €450 pack, 1,000,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/450-pack-1000000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, $565 pack, 1,000,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/565-pack-1000000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, €790 pack, 2,000,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/790-pack-2000000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, $990 pack, 2,000,000 credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/990-pack-2000000-credits-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live
- [Mailnjoy, contact us, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/contact-us-post-v2-unitary-unitary-validation-deep/llms.txt): 50% complete, live

## Mailnjoy's calls (2)

- `POST /v2/unitary`, Unitary validation (deep): [Mailnjoy, free, 200 free credits, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/free-200-free-credits-post-v2-unitary-unitary-validation-deep/llms.txt)
- `POST /v2/unitary`, Unitary validation (simple): [Mailnjoy, free, 200 free credits, POST /v2/unitary, Unitary validation (simple)](https://datacircle.dev/validate-email-apis/mailnjoy/free-200-free-credits-post-v2-unitary-unitary-validation-simple/llms.txt)

## Mailnjoy's APIs (1)

- [Mailnjoy: email verification API pricing, 18 plans, POST /v2/unitary, Unitary validation (deep)](https://datacircle.dev/validate-email-apis/mailnjoy/free-200-free-credits-post-v2-unitary-unitary-validation-deep/llms.txt)

## Mailnjoy: email verification API alternatives

- [MailTester Ninja, free, No token](https://datacircle.dev/validate-email-apis/mailtester-ninja/free-no-token/llms.txt): $0.00 per 1,000, 50% complete, live
- [Enrich.so, free, POST /email-validation](https://datacircle.dev/validate-email-apis/enrich-so/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [GetProspect, free, POST /v2/email-verifications](https://datacircle.dev/validate-email-apis/getprospect/free-free-post-v2-email-verifications/llms.txt): $0.00 per 1,000, 50% complete, live
- [Sealch, free, POST /api/verify](https://datacircle.dev/validate-email-apis/sealch/free-free-post-api-verify/llms.txt): $0.00 per 1,000, 17% complete, live
- [Infobip, free](https://datacircle.dev/validate-email-apis/infobip/free/llms.txt): $0.00 per 1,000, 33% complete, live

## 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.

- https://github.com/mailnjoy/check-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://mailnjoy.com/check/en/cgu/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://mailnjoy.com/check/en/developer/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://mailnjoy.com/check/en/email-checker/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://mailnjoy.com/check/en/price/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://mailnjoy.com/check/en/validation/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://mailnjoy.com/hunt/en/developer/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://mailnjoy.com/hunt/en/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://raw.githubusercontent.com/mailnjoy/check-api/master/openapi-specs/api-specification.yaml?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing