# EmailOversight, free: Email validation API

> Process Emails in real time using our fast and powerful API. Plug code into your websites, forms, and other lead generation areas to validate emails looking to enter their information. API validation helps verify leads at the point of contact and acquisition so you’re able to make a quick decision on keeping or discarding these email addresses.

EmailOversight's email validation API on its 200 free credits plan, $0.00 per 1,000 emails. 2 of the 6 key fields: Address, Its check.

- This page: https://datacircle.dev/validate-email-apis/emailoversight/free
- Get it: https://emailoversight.com/pricing/
- Its API docs: https://emailoversight.com/docs-api/
- Sold by: EmailOversight (https://emailoversight.com)
- Checked: 2026-10-19

## 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: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Process Emails in real time using our fast and powerful API. Plug code into your websites, forms, and other lead generation areas to validate emails looking to enter their information. API validation helps verify leads at the point of contact and acquisition so you’re able to make a quick decision on keeping or discarding these email addresses.

## Data

- Freshness: live
- Keep data: no limit
- Use data: EmailOversight hereby grants Customer a non-exclusive, non-transferable, worldwide right to access the Services, solely for Customer’s internal business purposes. [...] Customer will comply with all applicable laws and regulations in connection with Customer’s use of the Serivce. [...] In particular, Customer shall not Modify, adapt, translate, incorporate into or with other software, or create a derivative work or an improvement of, any part of the Service, Disclose the results of any benchmarking of the Service, or use such results for its own competing software development activities, Copy, reproduce or duplicate the Service, by any means or in any manner, [...] Transmit or receive, upload, use or reuse material that [...] (D) Customer has not collected directly from live web forms or other opt-in collection mechanisms directly related to Customer’s business

## Plan

- Pay: $0
- You get: 200 credits
- Enough for: 200 calls, once

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: ListId, Email
- Method: GET
- Path: /api/emailvalidation

## About the plan

- Plan: 200 free credits
- Who can get it: anyone 18 or over and able to enter into contracts

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

list ID, email, result ID, result

## EmailOversight's plans (7)

- [EmailOversight, free](https://datacircle.dev/validate-email-apis/emailoversight/free/llms.txt): $0.00 per 1,000, 33% complete, live
- [EmailOversight, $70 monthly](https://datacircle.dev/validate-email-apis/emailoversight/70-monthly/llms.txt): $7.00 per 1,000, 33% complete, live
- [EmailOversight, $125 monthly](https://datacircle.dev/validate-email-apis/emailoversight/125-monthly/llms.txt): $5.00 per 1,000, 33% complete, live
- [EmailOversight, $400 monthly](https://datacircle.dev/validate-email-apis/emailoversight/400-monthly/llms.txt): $4.00 per 1,000, 33% complete, live
- [EmailOversight, $750 monthly](https://datacircle.dev/validate-email-apis/emailoversight/750-monthly/llms.txt): $3.00 per 1,000, 33% complete, live
- [EmailOversight, contact us, 1MM+](https://datacircle.dev/validate-email-apis/emailoversight/contact-us-1mm/llms.txt): 33% complete, live
- [EmailOversight, contact us, Up to 1MM](https://datacircle.dev/validate-email-apis/emailoversight/contact-us-up-to-1mm/llms.txt): 33% complete, live

## EmailOversight's calls (1)

- `GET /api/emailvalidation`: [EmailOversight, free](https://datacircle.dev/validate-email-apis/emailoversight/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
- [Enrich.so, free](https://datacircle.dev/validate-email-apis/enrich-so/free/llms.txt): $0.00 per 1,000, 50% 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
- [Enrow, free](https://datacircle.dev/validate-email-apis/enrow/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 2026-10-19.

- https://emailoversight.com/docs-api/
- https://emailoversight.com/faq/
- https://emailoversight.com/pricing/
- https://emailoversight.com/product/email-validation/
- https://emailoversight.com/terms-and-conditions/