# EndBounce, free: Email verification API

> Validate addresses instantly. Syntax checks, SMTP verification, MX lookup, disposable detection, and catch-all identification in one pass.

EndBounce'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, Confidence.
We haven't run EndBounce 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/endbounce/free
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://endbounce.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://api.endbounce.com/api/integrations/v1/verify`
- API key: with the plan, on https://endbounce.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://endbounce.com/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing#verify
- Sold by: EndBounce (https://endbounce.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Email Finder

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Validate addresses instantly. Syntax checks, SMTP verification, MX lookup, disposable detection, and catch-all identification in one pass.

## Data

- Freshness: live
- What it checks: format, mail servers, disposable domains, role addresses, mailbox
- Keep data: no limit
- Use data: for your internal business purposes only ("a limited, non-exclusive, non-transferable, revocable license to access and use the Services for your internal business purposes only"), "You agree to use the Services only for lawful purposes and in accordance with these Terms. You are prohibited from: [...] Unlawful Use: Using the Services in any way that violates any applicable federal, state, local, or international law or regulation. Misuse of Data: Using the Services to send unsolicited or unauthorized advertising, promotional materials, "junk mail," "spam," "chain letters," "pyramid schemes," or any other form of solicitation. [...] Providing Sensitive Data: Uploading or processing sensitive personal data (e.g., health information, financial account numbers, government identifiers) through our Services, unless explicitly supported and secured for such data."

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: 100 results

## Rate limit

- Batch: 10,000

## Speed

- Answer: in the call or by polling

## The call

- You send: one of email or emails
- Method: POST
- Path: /v1/verify

## About the plan

- Plan: Free
- Who can get it: anyone aged 18 or over

## The 9 fields the plan's answer can hold

mode, email, status, reason, score, catch-all, disposable, role address, duration ms

## EndBounce's plans (16)

- [EndBounce, free](https://datacircle.dev/validate-email-apis/endbounce/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [EndBounce, $39 pack](https://datacircle.dev/validate-email-apis/endbounce/39-pack/llms.txt): $3.90 per 1,000, 50% complete, live
- [EndBounce, $59 pack](https://datacircle.dev/validate-email-apis/endbounce/59-pack/llms.txt): $2.36 per 1,000, 50% complete, live
- [EndBounce, $89 pack](https://datacircle.dev/validate-email-apis/endbounce/89-pack/llms.txt): $1.78 per 1,000, 50% complete, live
- [EndBounce, $149 pack](https://datacircle.dev/validate-email-apis/endbounce/149-pack/llms.txt): $1.49 per 1,000, 50% complete, live
- [EndBounce, $199 pack](https://datacircle.dev/validate-email-apis/endbounce/199-pack/llms.txt): $0.796 per 1,000, 50% complete, live
- [EndBounce, $299 pack](https://datacircle.dev/validate-email-apis/endbounce/299-pack/llms.txt): $0.598 per 1,000, 50% complete, live
- [EndBounce, $449 pack](https://datacircle.dev/validate-email-apis/endbounce/449-pack/llms.txt): $0.449 per 1,000, 50% complete, live
- [EndBounce, $444 yearly](https://datacircle.dev/validate-email-apis/endbounce/444-yearly/llms.txt): $3.70 per 1,000, 50% complete, live
- [EndBounce, $672 yearly](https://datacircle.dev/validate-email-apis/endbounce/672-yearly/llms.txt): $2.24 per 1,000, 50% complete, live
- [EndBounce, $1,020 yearly](https://datacircle.dev/validate-email-apis/endbounce/1020-yearly/llms.txt): $1.70 per 1,000, 50% complete, live
- [EndBounce, $1,704 yearly](https://datacircle.dev/validate-email-apis/endbounce/1704-yearly/llms.txt): $1.42 per 1,000, 50% complete, live
- [EndBounce, $2,268 yearly](https://datacircle.dev/validate-email-apis/endbounce/2268-yearly/llms.txt): $0.756 per 1,000, 50% complete, live
- [EndBounce, $3,408 yearly](https://datacircle.dev/validate-email-apis/endbounce/3408-yearly/llms.txt): $0.568 per 1,000, 50% complete, live
- [EndBounce, $5,124 yearly](https://datacircle.dev/validate-email-apis/endbounce/5124-yearly/llms.txt): $0.427 per 1,000, 50% complete, live
- [EndBounce, contact us](https://datacircle.dev/validate-email-apis/endbounce/contact-us/llms.txt): 50% complete, live

## EndBounce's calls for this API (1)

- `POST /v1/verify`: [EndBounce, free](https://datacircle.dev/validate-email-apis/endbounce/free/llms.txt)

## EndBounce's APIs (2)

- [EndBounce: email verification API pricing, 16 plans](https://datacircle.dev/validate-email-apis/endbounce/free/llms.txt)
- [EndBounce: email finder API pricing, 16 plans](https://datacircle.dev/find-email-apis/endbounce/free/llms.txt)

## EndBounce: email verification API alternatives

- [MyEmailVerifier, $549 monthly, Monthly Subscription, 2,000,000 emails + 100,000 bonus, GET /verifier/validate_single/{email}/{API_KEY}](https://datacircle.dev/validate-email-apis/myemailverifier/549-monthly-monthly-subscription-2000000-emails-100000-bonus-get-verifier-validate-single-email-api-key/llms.txt): $0.424 per 1,000, 33% complete, live
- [Proofy, $429 pack, Pay-As-You-Go, 1,000,000 credits, GET /verify/single](https://datacircle.dev/validate-email-apis/proofy/429-pack-pay-as-you-go-1000000-credits-get-verify-single/llms.txt): $0.429 per 1,000, 33% complete, live
- [ReachStream, $429 pack](https://datacircle.dev/validate-email-apis/reachstream/429-pack/llms.txt): $0.43 per 1,000, 33% complete, live
- [Sealch, $109 pack, Pay as you go 250,000 emails, POST /api/verify](https://datacircle.dev/validate-email-apis/sealch/109-pack-pay-as-you-go-250000-emails-post-api-verify/llms.txt): $0.436 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 2026-11-05.

- https://endbounce.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://endbounce.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://endbounce.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://endbounce.com/terms-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing