# BounceHalt, free: Email verification API

> Verify any email address in real-time with a single API call. Multi-layered checks including syntax, DNS, SMTP, and deliverability analysis.

BounceHalt's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 3 of the 6 key fields we check: Address, Deliverability, Company.
We haven't run BounceHalt through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 3,753 plans for email verification APIs by price. Half the plans cost $1.98 per 1,000 emails or less.
[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.
[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. Disify's $9 monthly plan costs less up front than treg's top-up from $10.
[MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt), [Enrich.so](https://datacircle.dev/validate-email-apis/enrich-so/499-monthly/llms.txt) and [GetProspect](https://datacircle.dev/validate-email-apis/getprospect/369-pack/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/bouncehalt/free
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://bouncehalt.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://api.bouncehalt.com/v1/check-email`
- API key: with the plan, on https://bouncehalt.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://bouncehalt.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing#check-email
- Sold by: BounceHalt (https://bouncehalt.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 50%
- Address: ✓
- Deliverability: ✓
- Company: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## Catch-all

- $ per 1,000: $0.00

## In their words

- Their pitch: Verify any email address in real-time with a single API call. Multi-layered checks including syntax, DNS, SMTP, and deliverability analysis.

## Data

- Freshness: live
- What it checks: format, mail servers, disposable domains, role addresses, mailbox
- Keep data: no limit
- Use data: You agree to use the Service only for lawful purposes. You shall not: Use the Service to facilitate sending unsolicited bulk email (spam), Verify email addresses obtained without proper consent, Attempt to reverse-engineer, decompile, or exploit the Service, Use the Service to harvest or collect email addresses, Exceed your plan's rate limits or attempt to circumvent usage restrictions, Share your API keys with unauthorized third parties, Use the Service in a manner that could damage, disable, or impair our infrastructure, Use the Service to violate any applicable laws, including data protection regulations (GDPR, CAN-SPAM, CCPA)

## Plan

- Pay: $0
- You get: 250 credits a month
- Enough for: 250 calls a month

## Rate limit

- Per second: 0.17
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: to_email. Optional: from_email, hello_name
- Method: POST
- Path: /v1/check-email

## About the plan

- Plan: Free
- Who can get it: anyone

## The 17 fields the plan's answer can hold

email address, reachability, syntax address, valid syntax, username, domain, accepts mail, MX records, can connect SMTP, deliverable, catch-all, full inbox, disabled, disposable, role account, Gravatar URL, Have I Been Pwned

## BounceHalt's plans (10)

- [BounceHalt, free](https://datacircle.dev/validate-email-apis/bouncehalt/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [BounceHalt, $5 pack](https://datacircle.dev/validate-email-apis/bouncehalt/5-pack/llms.txt): $5.00 per 1,000, 50% complete, live
- [BounceHalt, $39 pack](https://datacircle.dev/validate-email-apis/bouncehalt/39-pack/llms.txt): $3.90 per 1,000, 50% complete, live
- [BounceHalt, $229 pack](https://datacircle.dev/validate-email-apis/bouncehalt/229-pack/llms.txt): $2.29 per 1,000, 50% complete, live
- [BounceHalt, $899 pack](https://datacircle.dev/validate-email-apis/bouncehalt/899-pack/llms.txt): $1.798 per 1,000, 50% complete, live
- [BounceHalt, $1,490 pack](https://datacircle.dev/validate-email-apis/bouncehalt/1490-pack/llms.txt): $1.49 per 1,000, 50% complete, live
- [BounceHalt, $19 monthly](https://datacircle.dev/validate-email-apis/bouncehalt/19-monthly/llms.txt): $3.80 per 1,000, 50% complete, live
- [BounceHalt, $59 monthly](https://datacircle.dev/validate-email-apis/bouncehalt/59-monthly/llms.txt): $2.36 per 1,000, 50% complete, live
- [BounceHalt, $149 monthly](https://datacircle.dev/validate-email-apis/bouncehalt/149-monthly/llms.txt): $1.49 per 1,000, 50% complete, live
- [BounceHalt, $399 monthly](https://datacircle.dev/validate-email-apis/bouncehalt/399-monthly/llms.txt): $0.798 per 1,000, 50% complete, live

## BounceHalt's calls (1)

- `POST /v1/check-email`: [BounceHalt, free](https://datacircle.dev/validate-email-apis/bouncehalt/free/llms.txt)

## BounceHalt's APIs (1)

- [BounceHalt: email verification API pricing, 10 plans](https://datacircle.dev/validate-email-apis/bouncehalt/free/llms.txt)

## BounceHalt: email verification API alternatives

- [ListWise, $1,595 pack, 2 Million Email Addresses, GET /clean/deep.php](https://datacircle.dev/validate-email-apis/listwise/1595-pack-2-million-email-addresses-get-clean-deep-php/llms.txt): $0.797 per 1,000, 33% complete, live
- [MailTester, $399 pack](https://datacircle.dev/validate-email-apis/mailtester/399-pack/llms.txt): $0.798 per 1,000, 50% complete, live
- [No2Bounce, $4,788 yearly](https://datacircle.dev/validate-email-apis/no2bounce/4788-yearly/llms.txt): $0.798 per 1,000, 0% complete, live
- [Mailercloud, $799 monthly, Email Verifier Plan – 1M, POST /verifyEmail](https://datacircle.dev/validate-email-apis/mailercloud/799-monthly-email-verifier-plan-1m-post-verifyemail/llms.txt): $0.799 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 2026-11-02.

- https://bouncehalt.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://bouncehalt.com/compare?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://bouncehalt.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://bouncehalt.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://bouncehalt.com/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://bouncehalt.com/refund?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://bouncehalt.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing