# Sanitize Email, free: Email verification API

> Skip manual uploads—use our API to instantly validate emails in your tools. Seamless integration for scaling campaigns or custom solutions.

Sanitize Email's Free plan for the email verification API costs $0.00 per 1,000 emails. We check each provider's docs for 6 fields. Sanitize Email's docs list 2: Address, Deliverability.
We haven't run Sanitize Email through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 4,767 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. [728 email verification API plans on our price sheet are free.](https://datacircle.dev/best-email-verification-api.txt) [pingutil's free plan](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt) scores highest of the free plans in our benchmark, at 82.3 out of 100.
[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. [StableEnrich's pay-as-you-go plan](https://datacircle.dev/validate-email-apis/stableenrich/pay-as-you-go-pay-per-request-with-x402-or-mpp-post-api-minerva-validate-emails/llms.txt) costs the least for 10,000 emails a month: $0.05.
[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, and costs less up front than treg's top-up from $10.
[Validemail.co](https://datacircle.dev/validate-email-apis/validemail-co/9-90-monthly-9-90-month-get-api-v1-validate/llms.txt), [pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt) and [looot](https://datacircle.dev/validate-email-apis/looot/top-up/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/sanitize-email/free
- [Email validation API: best verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://sanitizeemail.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://base.sanitizeemail.com/v1/api/email-validation/`
- API key: with the plan, on https://sanitizeemail.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://docs.sanitizeemail.com/api-reference/endpoint/validate_emails?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Sanitize Email (https://sanitizeemail.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-11

## In the answer

- Completeness: 33%
- Address: ✓
- Deliverability: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Clean Email List

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Skip manual uploads—use our API to instantly validate emails in your tools. Seamless integration for scaling campaigns or custom solutions.

## Data

- Freshness: live
- What it checks: format, mail servers, disposable domains, role addresses, mailbox
- Keep data: no limit
- Use data: only for lawful and legitimate purposes and in compliance with all applicable laws and regulations, not for spam, unsolicited marketing, fraud, harassment, or any malicious or illegal activities

## Plan

- Pay: $0
- You get: 250 credits

## Speed

- Answer: in the call

## The call

- You send: one of emails or file_id. Optional: file_tag, options.validate_syntax, options.validate_smtp, options.check_dmarc, options.validate_mx
- Method: POST
- Path: /v1/api/email-validation/

## About the plan

- Plan: Free
- Who can get it: anyone at least 18 years old and legally authorised to enter into a binding agreement

## The 20 fields the plan's answer can hold

email address, status, format check, DNS check, MX check, SMTP check, DMARC check, normalized email, disposable, role address, MX records, total count, valid count, invalid count, disposable count, role address count, file ID, credits used, remaining processing, batch size

## Sanitize Email's plans (4)

- [Sanitize Email, free](https://datacircle.dev/validate-email-apis/sanitize-email/free/llms.txt): $0.00 per 1,000, 33% complete, live
- [Sanitize Email, $25 monthly](https://datacircle.dev/validate-email-apis/sanitize-email/25-monthly/llms.txt): 33% complete, live
- [Sanitize Email, $80 monthly](https://datacircle.dev/validate-email-apis/sanitize-email/80-monthly/llms.txt): 33% complete, live
- [Sanitize Email, $200 monthly](https://datacircle.dev/validate-email-apis/sanitize-email/200-monthly/llms.txt): 33% complete, live

## Sanitize Email's calls (1)

- `POST /v1/api/email-validation/`: [Sanitize Email, free](https://datacircle.dev/validate-email-apis/sanitize-email/free/llms.txt)

## Sanitize Email's APIs (1)

- [Sanitize Email Email verification API pricing, 4 plans](https://datacircle.dev/validate-email-apis/sanitize-email/free/llms.txt)

## Sanitize Email: email verification API alternatives

[Sanitize Email alternatives: other email verification API providers by price](https://datacircle.dev/sanitize-email-alternatives.txt)

We list other providers' plans closest to this plan in price per 1,000 emails. Each plan in the list gives live data.

- [Validemail.co, free, POST /api/v1/bulk](https://datacircle.dev/validate-email-apis/validemail-co/free-post-api-v1-bulk/llms.txt): $0.00 per 1,000, 67% complete, live
- [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
- [Giggal, free trial, POST /v1/verify-batch](https://datacircle.dev/validate-email-apis/giggal/free-trial-post-v1-verify-batch/llms.txt): $0.00 per 1,000, 67% 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
- [MailboxValidator, free, API-FREE](https://datacircle.dev/validate-email-apis/mailboxvalidator/free-api-free/llms.txt): $0.00 per 1,000, 67% 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 2026-11-11.

- https://docs.sanitizeemail.com/api-reference/endpoint/validate_emails.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.sanitizeemail.com/api-reference/introduction.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.sanitizeemail.com/api-reference/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.sanitizeemail.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.sanitizeemail.com/quickstart.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://sanitizeemail.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://sanitizeemail.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://sanitizeemail.com/refund-policy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://sanitizeemail.com/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing