# MailGuard, free, POST /v1/verify/batch: Email verification API

> Email verification API for developers: the same syntax, MX, disposable & typo checks the big providers charge for, up to 100× cheaper than the next cheapest competitors on the market, with a free tier and a 2-minute setup.

MailGuard's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 3 of the 6 key fields we check: Address, Deliverability, Confidence.
We ran MailGuard in [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt). We didn't score any MailGuard plan.
This plan is free. We rank 3,886 plans for email verification APIs by price. Half the plans cost $1.998 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.
[email-validation.org](https://datacircle.dev/validate-email-apis/email-validation-org/450-pack-1000000-credits-post-v1-validate/llms.txt), [pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt) and [MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/mailguard/free-post-v1-verify-batch
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://mailguard-api.atek.workers.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://mailguard-api.atek.workers.dev/v1/verify/batch`
- API key: with the plan, on https://mailguard-api.atek.workers.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://mailguard-api.atek.workers.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: MailGuard (https://mailguard-api.atek.workers.dev?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
- Per: result
- Billing: free

## Aggregators

- Aggregators: none

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Email verification API for developers: the same syntax, MX, disposable & typo checks the big providers charge for, up to 100× cheaper than the next cheapest competitors on the market, with a free tier and a 2-minute setup.

## Data

- What it checks: format, mail servers, disposable domains, role addresses
- Keep data: no limit
- Use data: You agree not to use the Service to: break any law, or infringe others' rights, send spam, or verify lists in order to send unsolicited messages, process personal data without a lawful basis to do so, attempt to disrupt, overload, reverse-engineer, or circumvent rate limits or security of the Service, resell or redistribute the Service without our written permission

## Plan

- Pay: $0
- You get: 500 requests a month
- Enough for: 500 results a month

## Rate limit

- Batch: 100

## Speed

- Answer: in the call

## The call

- You send: emails
- Method: POST
- Path: /v1/verify/batch

## About the plan

- Plan: Free
- Who can get it: anyone, one free key per person or email

## The 12 fields the plan's answer can hold

count, email address, normalized email address, status, score, syntax, MX record found, disposable, role, free provider, did you mean, reasons

## MailGuard's plans (1)

- [MailGuard, free, POST /v1/verify/batch](https://datacircle.dev/validate-email-apis/mailguard/free-post-v1-verify-batch/llms.txt): $0.00 per 1,000, 50% complete

## MailGuard's calls (2)

- `POST /v1/verify`: [MailGuard, free, POST /v1/verify](https://datacircle.dev/validate-email-apis/mailguard/free-post-v1-verify/llms.txt)
- `POST /v1/verify/batch`: [MailGuard, free, POST /v1/verify/batch](https://datacircle.dev/validate-email-apis/mailguard/free-post-v1-verify-batch/llms.txt)

## MailGuard's APIs (1)

- [MailGuard: email verification API pricing, 1 plan, POST /v1/verify/batch](https://datacircle.dev/validate-email-apis/mailguard/free-post-v1-verify-batch/llms.txt)

## MailGuard: email verification API alternatives

- [email-validation.org, free credits, POST /v1/validate](https://datacircle.dev/validate-email-apis/email-validation-org/free-credits-post-v1-validate/llms.txt): $0.00 per 1,000, 50% complete, stored
- [pingutil, free API key, POST /v1/verify](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt): $0.00 per 1,000, 50% complete, 30 days
- [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
- [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/ahughes1994/MailGuard.SDK?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://mailguard-api.atek.workers.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://mailguard-api.atek.workers.dev/dashboard?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://mailguard-api.atek.workers.dev/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://mailguard-api.atek.workers.dev/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://raw.githubusercontent.com/ahughes1994/MailGuard.SDK/main/README.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://raw.githubusercontent.com/ahughes1994/MailGuard.SDK/main/src/index.ts?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing