# No2Bounce, free: Email validation API

> The no2bounce API is designed to provide a robust solution for email validation, helping businesses ensure the accuracy and deliverability of their email lists. This email verifier API is an essential part of the no2bounce application, allowing users to validate large volumes of email addresses in real-time programmatically.

No2Bounce's email validation API on its Free plan, $0.00 per 1,000 emails. 1 of the 6 key fields: Its check.

- This page: https://datacircle.dev/validate-email-apis/no2bounce/free
- Get it: https://no2bounce.com/pricing
- Its API docs: https://no2bounce.com/api-documentation#making-api-request
- Sold by: No2Bounce (https://no2bounce.com)
- Checked: 2026-10-19

## In the answer

- Completeness: 17%
- Its check: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Per: result
- Also pays for: from the same budget: Email Scoring · Email Finder · Domain Search

## Not found

- $ per 1,000: $0.00

## Catch-all

- $ per 1,000: $0.00

## In their words

- Their pitch: The no2bounce API is designed to provide a robust solution for email validation, helping businesses ensure the accuracy and deliverability of their email lists. This email verifier API is an essential part of the no2bounce application, allowing users to validate large volumes of email addresses in real-time programmatically.

## Data

- Freshness: live
- Keep data: no limit
- Use data: By using the Site and the Services, you consent to not: Using any method and for any purpose whatsoever, decompiling, disassembling, or otherwise attempting to reconstruct, identify, or discover any source code, underlying concepts, underlying user interface techniques, or algorithms associated with the Services, Any software's source code, object code, or any other products, processes, or tools connected to or obtainable through the Services may not be appropriated, modified, reproduced, or distributed, Use the Services to check email addresses you've obtained illegally or those you're not supposed to have, process, or have access to, Use the Services for any purposes that are unlawful, offensive, obscene, lewd, lascivious, violent, threatening, harassing, or abusive, or that is otherwise objectionable to no2bounce (including, without limitation, to send unsolicited advertising or distribute email messages in violation of applicable laws or regulations). [...] You acknowledge that you are accountable for and will obey all laws, rules, and ordinances that are relevant to your use of the Services [...] You won't offer your account or associated rights for sale, transfer, or assignment. [...] You are not allowed to share, modify, transfer, reuse, download, repost, copy, or utilize the aforementioned Content for any type of profit-making initiatives without our express prior written approval.

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: 100 results, once
- Expires: never

## Rate limit

- Batch: no limit

## Speed

- Answer: by polling

## The call

- You send: emailList. Optional: hashkey
- Method: POST
- Path: /v2/n2b_validate_bulk

## About the plan

- Plan: Free
- Who can get it: anyone at least 18 years old

## The 13 fields the plan's answer can hold

tracking ID, message, status code, task ID, total emails, completed emails, deliverable count, catch-all count, invalid count, bounce count, spam count, catch-all status, results file URL

## No2Bounce's plans (35)

- [No2Bounce, free](https://datacircle.dev/validate-email-apis/no2bounce/free/llms.txt): $0.00 per 1,000, 17% complete, live
- [No2Bounce, $20 pack](https://datacircle.dev/validate-email-apis/no2bounce/20-pack/llms.txt): $2.00 per 1,000, 17% complete, live
- [No2Bounce, $49 pack](https://datacircle.dev/validate-email-apis/no2bounce/49-pack/llms.txt): $1.96 per 1,000, 17% complete, live
- [No2Bounce, $85 pack](https://datacircle.dev/validate-email-apis/no2bounce/85-pack/llms.txt): $1.70 per 1,000, 17% complete, live
- [No2Bounce, $149 pack](https://datacircle.dev/validate-email-apis/no2bounce/149-pack/llms.txt): $1.49 per 1,000, 17% complete, live
- [No2Bounce, $299 pack](https://datacircle.dev/validate-email-apis/no2bounce/299-pack/llms.txt): $1.196 per 1,000, 17% complete, live
- [No2Bounce, $499 pack](https://datacircle.dev/validate-email-apis/no2bounce/499-pack/llms.txt): $0.998 per 1,000, 17% complete, live
- [No2Bounce, $849 pack](https://datacircle.dev/validate-email-apis/no2bounce/849-pack/llms.txt): $0.849 per 1,000, 17% complete, live
- [No2Bounce, $1,839 pack](https://datacircle.dev/validate-email-apis/no2bounce/1839-pack/llms.txt): $0.368 per 1,000, 17% complete, live
- [No2Bounce, $3,119 pack](https://datacircle.dev/validate-email-apis/no2bounce/3119-pack/llms.txt): $0.312 per 1,000, 17% complete, live
- [No2Bounce, $6,249 pack](https://datacircle.dev/validate-email-apis/no2bounce/6249-pack/llms.txt): $0.25 per 1,000, 17% complete, live
- [No2Bounce, $11,049 pack](https://datacircle.dev/validate-email-apis/no2bounce/11049-pack/llms.txt): $0.221 per 1,000, 17% complete, live
- [No2Bounce, $17 monthly](https://datacircle.dev/validate-email-apis/no2bounce/17-monthly/llms.txt): $1.70 per 1,000, 17% complete, live
- [No2Bounce, $41 monthly](https://datacircle.dev/validate-email-apis/no2bounce/41-monthly/llms.txt): $1.64 per 1,000, 17% complete, live
- [No2Bounce, $72 monthly](https://datacircle.dev/validate-email-apis/no2bounce/72-monthly/llms.txt): $1.44 per 1,000, 17% complete, live
- [No2Bounce, $126 monthly](https://datacircle.dev/validate-email-apis/no2bounce/126-monthly/llms.txt): $1.26 per 1,000, 17% complete, live
- [No2Bounce, $254 monthly](https://datacircle.dev/validate-email-apis/no2bounce/254-monthly/llms.txt): $1.016 per 1,000, 17% complete, live
- [No2Bounce, $424 monthly](https://datacircle.dev/validate-email-apis/no2bounce/424-monthly/llms.txt): $0.848 per 1,000, 17% complete, live
- [No2Bounce, $721 monthly](https://datacircle.dev/validate-email-apis/no2bounce/721-monthly/llms.txt): $0.721 per 1,000, 17% complete, live
- [No2Bounce, $1,599 monthly](https://datacircle.dev/validate-email-apis/no2bounce/1599-monthly/llms.txt): $0.32 per 1,000, 17% complete, live
- [No2Bounce, $2,599 monthly](https://datacircle.dev/validate-email-apis/no2bounce/2599-monthly/llms.txt): $0.26 per 1,000, 17% complete, live
- [No2Bounce, $4,999 monthly](https://datacircle.dev/validate-email-apis/no2bounce/4999-monthly/llms.txt): $0.20 per 1,000, 17% complete, live
- [No2Bounce, $8,499 monthly](https://datacircle.dev/validate-email-apis/no2bounce/8499-monthly/llms.txt): $0.17 per 1,000, 17% complete, live
- [No2Bounce, $192 yearly](https://datacircle.dev/validate-email-apis/no2bounce/192-yearly/llms.txt): $1.60 per 1,000, 17% complete, live
- [No2Bounce, $468 yearly](https://datacircle.dev/validate-email-apis/no2bounce/468-yearly/llms.txt): $1.56 per 1,000, 17% complete, live
- [No2Bounce, $816 yearly](https://datacircle.dev/validate-email-apis/no2bounce/816-yearly/llms.txt): $1.36 per 1,000, 17% complete, live
- [No2Bounce, $1,428 yearly](https://datacircle.dev/validate-email-apis/no2bounce/1428-yearly/llms.txt): $1.19 per 1,000, 17% complete, live
- [No2Bounce, $2,868 yearly](https://datacircle.dev/validate-email-apis/no2bounce/2868-yearly/llms.txt): $0.956 per 1,000, 17% complete, live
- [No2Bounce, $4,788 yearly](https://datacircle.dev/validate-email-apis/no2bounce/4788-yearly/llms.txt): $0.798 per 1,000, 17% complete, live
- [No2Bounce, $8,148 yearly](https://datacircle.dev/validate-email-apis/no2bounce/8148-yearly/llms.txt): $0.679 per 1,000, 17% complete, live
- [No2Bounce, $13,431 yearly](https://datacircle.dev/validate-email-apis/no2bounce/13431-yearly/llms.txt): $0.224 per 1,000, 17% complete, live
- [No2Bounce, $18,006 yearly](https://datacircle.dev/validate-email-apis/no2bounce/18006-yearly/llms.txt): $0.15 per 1,000, 17% complete, live
- [No2Bounce, contact us, Enterprise](https://datacircle.dev/validate-email-apis/no2bounce/contact-us-enterprise/llms.txt): 17% complete, live
- [No2Bounce, contact us, Yearly plan, 25,000,000 credits a month](https://datacircle.dev/validate-email-apis/no2bounce/contact-us-yearly-plan-25000000-credits-a-month/llms.txt): 17% complete, live
- [No2Bounce, contact us, Yearly plan, 50,000,000 credits a month](https://datacircle.dev/validate-email-apis/no2bounce/contact-us-yearly-plan-50000000-credits-a-month/llms.txt): 17% complete, live

## No2Bounce's calls (1)

- `POST /v2/n2b_validate_bulk`: [No2Bounce, free](https://datacircle.dev/validate-email-apis/no2bounce/free/llms.txt)

## Similar plans of other providers

- [QuickEmailVerification, free](https://datacircle.dev/validate-email-apis/quickemailverification/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [Reoon, free, Tier, POST /create-bulk-verification-task/](https://datacircle.dev/validate-email-apis/reoon/free-tier-post-create-bulk-verification-task/llms.txt): $0.00 per 1,000, 50% complete, live
- [Piloterr, free](https://datacircle.dev/validate-email-apis/piloterr/free/llms.txt): $0.00 per 1,000, 33% complete, live
- [Outscraper, free](https://datacircle.dev/validate-email-apis/outscraper/free/llms.txt): $0.00 per 1,000, 17% 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://no2bounce.com
- https://no2bounce.com/api-documentation
- https://no2bounce.com/bulk-email-verifier
- https://no2bounce.com/pricing
- https://no2bounce.com/terms