# BounceCheck, free, Free, POST /verification/single: Email validation API

> BounceCheck is a free email checker and bulk email verifier that validates addresses with real SMTP handshakes, catch-all resolution and disposable detection. Verify a single email or clean an entire list.

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

- This page: https://datacircle.dev/validate-email-apis/bouncecheck/free-free-post-verification-single
- Get it: https://bouncecheck.email/pricing
- Its API docs: https://bouncecheck.email/docs/single-verify
- Sold by: BounceCheck (https://bouncecheck.email)
- 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: Bulk Upload · Disposable check

## Not found

- $ per 1,000: $0.00

## Catch-all

- $ per 1,000: $0.00

## In their words

- Their pitch: BounceCheck is a free email checker and bulk email verifier that validates addresses with real SMTP handshakes, catch-all resolution and disposable detection. Verify a single email or clean an entire list.

## Data

- Freshness: live
- Keep data: no limit
- Use data: the right to access and use the Service for your own internal business purposes. You agree not to: (i) license, sublicense, sell, resell, rent, or otherwise make the Service available to any third party except as expressly permitted, (ii) modify or create derivative works based on the Service, (iii) decompile, disassemble, reverse-engineer, or attempt to discover the source code or underlying structure of the Service, or (iv) use the Service to build, train, or support a competing product or service. You agree not to use the Service: For any unlawful purpose [...], To send spam or unsolicited communications, To harvest or collect email addresses or other contact information of others, To interfere with or circumvent the security features of the Service [...]

## Plan

- Pay: $0
- You get: 50 credits a month
- Enough for: 50 calls a month
- Expires: reset automatically each month

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email
- Method: POST
- Path: /verification/single

## About the plan

- Plan: Free
- Who can get it: anyone, for their own internal business purposes

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

email, is valid, status, message

## BounceCheck's plans (5)

- [BounceCheck, free, Free, POST /verification/single](https://datacircle.dev/validate-email-apis/bouncecheck/free-free-post-verification-single/llms.txt): $0.00 per 1,000, 33% complete, live
- [BounceCheck, $9.99 monthly, Starter, POST /verification/single](https://datacircle.dev/validate-email-apis/bouncecheck/9-99-monthly-starter-post-verification-single/llms.txt): $1.998 per 1,000, 33% complete, live
- [BounceCheck, $29.99 monthly, Pro, POST /verification/single](https://datacircle.dev/validate-email-apis/bouncecheck/29-99-monthly-pro-post-verification-single/llms.txt): $1.50 per 1,000, 33% complete, live
- [BounceCheck, $340 monthly, Volume, POST /verification/single](https://datacircle.dev/validate-email-apis/bouncecheck/340-monthly-volume-post-verification-single/llms.txt): $1.36 per 1,000, 33% complete, live
- [BounceCheck, contact us, Enterprise, POST /verification/single](https://datacircle.dev/validate-email-apis/bouncecheck/contact-us-enterprise-post-verification-single/llms.txt): 33% complete, live

## BounceCheck's calls (2)

- `POST /verification/bulk`: [BounceCheck, free, Free, POST /verification/bulk](https://datacircle.dev/validate-email-apis/bouncecheck/free-free-post-verification-bulk/llms.txt)
- `POST /verification/single`: [BounceCheck, free, Free, POST /verification/single](https://datacircle.dev/validate-email-apis/bouncecheck/free-free-post-verification-single/llms.txt)

## Similar plans of other providers

- [Bounceless, free, 100 credits once, POST /v1/requests, Create a batch (emails)](https://datacircle.dev/validate-email-apis/bounceless/free-100-credits-once-post-v1-requests-100-credits/llms.txt): $0.00 per 1,000, 67% complete, live
- [Bouncer, free, 100 free credits, POST /v1.1/email/verify/batch](https://datacircle.dev/validate-email-apis/bouncer/free-100-free-credits-post-v1-1-email-verify-batch/llms.txt): $0.00 per 1,000, 67% complete, live
- [Bouncify, free](https://datacircle.dev/validate-email-apis/bouncify/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [Clearout, free](https://datacircle.dev/validate-email-apis/clearout/free/llms.txt): $0.00 per 1,000, 50% 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://bouncecheck.email
- https://bouncecheck.email/docs/authentication
- https://bouncecheck.email/docs/rate-limits
- https://bouncecheck.email/docs/single-verify
- https://bouncecheck.email/docs/understanding-results
- https://bouncecheck.email/pricing
- https://bouncecheck.email/terms