# emailfinder.dev, free: Email validation API

> Check whether any email address is valid and deliverable before you send.

emailfinder.dev's email validation API on its Free credits at signup plan, $0.00 per 1,000 emails. 2 of the 6 key fields: Address, Its check.

- This page: https://datacircle.dev/validate-email-apis/emailfinder-dev/free
- Get it: https://emailfinder.dev/#pricing
- Its API docs: https://www.emailfinder.dev/email-verifier
- Sold by: emailfinder.dev (https://www.emailfinder.dev)
- Checked: 2026-10-20

## In the answer

- Completeness: 33%
- Address: ✓
- Its check: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Per: call
- Also pays for: from the same budget: Find Person Email · Find Email by LinkedIn URL · Find Company Emails · Find Decision Maker Email

## Not found

- $ per 1,000: $0.00

## Catch-all

- $ per 1,000: $0.00

## In their words

- Their pitch: Check whether any email address is valid and deliverable before you send.

## Data

- Freshness: live
- Keep data: shall not retain such personal data for longer than is necessary for the purposes for which it is processed
- Use data: It is strictly forbidden to use the Services for the following purposes: [...] sending unsolicited emails and/or commercial prospection or solicitation (spam) [...]. It is strictly forbidden to monetize, sell or grant all or part of the access to the Services or to the Site, as well as to the information hosted and/or shared there, without explicit written authorization from emailfinder.dev. [...] any act of reproduction, representation, distribution and use of any of the data, in whole or in part, and in particular for the purpose of resale or creating competing services, are strictly prohibited. The User [...] will not use the Data, in whole or in part, as a factor in determining: the eligibility of any individual for consumer credit or insurance, employment, promotion, or reassignment decisions, eligibility for a license or other benefit granted by a governmental authority, eligibility for housing [...]. The User shall not use the Data, alone or in combination with any other data, to infer, derive, or predict special categories of personal data [...].

## Plan

- Pay: €0
- Expires: never, valid until used or until the account is closed

## Rate limit

- Per second: 16.67
- Batch: 1

## Speed

- Answer: in the call

## The call

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

## About the plan

- Plan: Free credits at signup
- Who can get it: professionals in the context of their activity: a natural person with the power or authority to enter into commitments under the terms, or a legal person acting through one

## The 4 fields the plan's answer can hold

email, status, MX found, SMTP check

## emailfinder.dev's plans (9)

- [emailfinder.dev, free](https://datacircle.dev/validate-email-apis/emailfinder-dev/free/llms.txt): $0.00 per 1,000, 33% complete, live
- [emailfinder.dev, €19 monthly](https://datacircle.dev/validate-email-apis/emailfinder-dev/19-monthly/llms.txt): $21.381 per 1,000, 33% complete, live
- [emailfinder.dev, €49 monthly](https://datacircle.dev/validate-email-apis/emailfinder-dev/49-monthly/llms.txt): $15.754 per 1,000, 33% complete, live
- [emailfinder.dev, €129 monthly](https://datacircle.dev/validate-email-apis/emailfinder-dev/129-monthly/llms.txt): $14.516 per 1,000, 33% complete, live
- [emailfinder.dev, €499 monthly](https://datacircle.dev/validate-email-apis/emailfinder-dev/499-monthly/llms.txt): $14.038 per 1,000, 33% complete, live
- [emailfinder.dev, €180 yearly](https://datacircle.dev/validate-email-apis/emailfinder-dev/180-yearly/llms.txt): $16.88 per 1,000, 33% complete, live
- [emailfinder.dev, €468 yearly](https://datacircle.dev/validate-email-apis/emailfinder-dev/468-yearly/llms.txt): $12.539 per 1,000, 33% complete, live
- [emailfinder.dev, €1,188 yearly](https://datacircle.dev/validate-email-apis/emailfinder-dev/1188-yearly/llms.txt): $11.140 per 1,000, 33% complete, live
- [emailfinder.dev, €4,788 yearly](https://datacircle.dev/validate-email-apis/emailfinder-dev/4788-yearly/llms.txt): $11.225 per 1,000, 33% complete, live

## emailfinder.dev's calls (1)

- `GET /api/validate-email`: [emailfinder.dev, free](https://datacircle.dev/validate-email-apis/emailfinder-dev/free/llms.txt)

## Similar plans of other providers

- [emailvalidation.io, free, Free, POST /v1/bulk](https://datacircle.dev/validate-email-apis/emailvalidation-io/free-free-post-v1-bulk/llms.txt): $0.00 per 1,000, 83% complete, live
- [EmailListVerify, free, 100 free verifications, POST /api/verifyApiFile](https://datacircle.dev/validate-email-apis/emaillistverify/free-100-free-verifications-post-api-verifyapifile/llms.txt): $0.00 per 1,000, 50% complete, live
- [EmailOversight, free](https://datacircle.dev/validate-email-apis/emailoversight/free/llms.txt): $0.00 per 1,000, 33% complete, live
- [EmailVerify.io, free, Free, POST /validate-batch](https://datacircle.dev/validate-email-apis/emailverify-io/free-free-post-validate-batch/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 2026-10-20.

- https://emailfinder.dev
- https://emailfinder.dev/acceptable-use
- https://emailfinder.dev/email-finder-api
- https://emailfinder.dev/terms
- https://www.emailfinder.dev/email-verifier