# Maru APIs, free: Email verification API

> Real-time email validation and verification. Check syntax, MX records, detect disposable emails, and verify email ownership with Magic Link or OTP.

Maru APIs's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 4 of the 6 key fields we check: Address, Deliverability, Confidence, Company.
You get up to 1,000 calls a month.
We ran Maru APIs in [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt). We didn't score any Maru APIs plan.
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](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/maru-apis/free
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://maru-apis-landing.pages.dev/products/email-validation/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://email-validation.maru-api.workers.dev/api/validate`
- API key: with the plan, on https://maru-apis-landing.pages.dev/products/email-validation/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://maru-apis-landing.pages.dev/products/email-validation/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Maru APIs (https://maru-apis-landing.pages.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 67%
- Address: ✓
- Deliverability: ✓
- Confidence: ✓
- Company: ✓

## Price

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

## Aggregators

- Aggregators: none

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Real-time email validation and verification. Check syntax, MX records, detect disposable emails, and verify email ownership with Magic Link or OTP.

## Data

- Freshness: stored
- What it checks: format, mail servers, disposable domains, role addresses
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0
- Enough for: 1,000 calls a month

## Rate limit

- Per second: 0.17
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email
- Method: POST
- Path: /api/validate

## About the plan

- Plan: Free
- Who can get it: anyone

## The 17 fields the plan's answer can hold

valid, email address, domain, syntax valid, domain valid, MX found, MX count, MX record, disposable, role, did you mean, email provider, email provider type, email provider country, risk score, quality, time taken

## Maru APIs's plans (1)

- [Maru APIs, free](https://datacircle.dev/validate-email-apis/maru-apis/free/llms.txt): $0.00 per 1,000, 67% complete, stored

## Maru APIs's calls (1)

- `POST /api/validate`: [Maru APIs, free](https://datacircle.dev/validate-email-apis/maru-apis/free/llms.txt)

## Maru APIs's APIs (1)

- [Maru APIs: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/maru-apis/free/llms.txt)

## Maru APIs: email verification API alternatives

- [KaijuVerifier, free, POST /api/v1/jobs, Submit an async bulk job](https://datacircle.dev/validate-email-apis/kaijuverifier/free-post-api-v1-jobs-submit-an-async-bulk-job/llms.txt): $0.00 per 1,000, 50% complete, stored
- [DeBounce, free API](https://datacircle.dev/validate-email-apis/debounce/free-api/llms.txt): $0.00 per 1,000, 17% complete, stored
- [OneShot, free](https://datacircle.dev/validate-email-apis/oneshot/free/llms.txt): $0.00 per 1,000, 33% complete, stored
- [MailSift, free, GET /verify, Verify one email](https://datacircle.dev/validate-email-apis/mailsift/free-get-verify-verify-one-email/llms.txt): $0.00 per 1,000, 67% complete, stored (MX, SPF, DMARC: 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://maru-apis-landing.pages.dev/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://maru-apis-landing.pages.dev/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://maru-apis-landing.pages.dev/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://maru-apis-landing.pages.dev/products/email-validation/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing