# Botoi, free: Email validation API

> Validates an email address with format checking, MX record verification, disposable domain detection, free provider detection, role-based address detection, and typo suggestions.

Botoi's email validation API on its Free plan, $0.00 per 1,000 emails. 3 of the 6 key fields: Address, Its check, Company.

- This page: https://datacircle.dev/validate-email-apis/botoi/free
- Get it: https://botoi.com/pricing/
- Its API docs: https://botoi.com/api/lookup/email-validate/
- Sold by: Botoi (https://botoi.com)
- Checked: 2026-10-20

## In the answer

- Completeness: 50%
- Address: ✓
- Its check: ✓
- Company: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Per: call
- Also pays for: from the same budget: All 150+ endpoints

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Validates an email address with format checking, MX record verification, disposable domain detection, free provider detection, role-based address detection, and typo suggestions.

## Data

- Keep data: no limit
- Use data: By obtaining and using an API key, You agree to: Keep Your API key confidential and not share it with unauthorized parties, Not exceed the rate limits associated with Your plan tier, Not use the API for any unlawful purpose or to transmit harmful content, Not attempt to circumvent authentication, rate limiting, or other security measures, Not resell or redistribute API access without prior written consent from the Company

## Plan

- Pay: $0
- You get: 1,000 requests a day
- Enough for: 1,000 calls a day
- Expires: resets daily at midnight UTC

## Rate limit

- Per day: 1,000
- Per second: 0.17
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email
- Method: POST
- Path: /v1/email/validate

## About the plan

- Plan: Free
- Who can get it: anyone 18 or older

## The 14 fields the plan's answer can hold

success, email address, valid, format valid, MX found, MX records, disposable, free provider, role address, domain, local part, suggested email address, request ID, time taken

## Botoi's plans (4)

- [Botoi, free](https://datacircle.dev/validate-email-apis/botoi/free/llms.txt): $0.00 per 1,000, 50% complete
- [Botoi, $9 monthly](https://datacircle.dev/validate-email-apis/botoi/9-monthly/llms.txt): $0.03 per 1,000, 50% complete
- [Botoi, $49 monthly](https://datacircle.dev/validate-email-apis/botoi/49-monthly/llms.txt): $0.016 per 1,000, 50% complete
- [Botoi, $199 monthly](https://datacircle.dev/validate-email-apis/botoi/199-monthly/llms.txt): $0.0066 per 1,000, 50% complete

## Botoi's calls (1)

- `POST /v1/email/validate`: [Botoi, free](https://datacircle.dev/validate-email-apis/botoi/free/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
- [BounceCheck, free, Free, POST /verification/bulk](https://datacircle.dev/validate-email-apis/bouncecheck/free-free-post-verification-bulk/llms.txt): $0.00 per 1,000, 50% complete, live
- [BounceZero, free, Free, POST /verify/batch](https://datacircle.dev/validate-email-apis/bouncezero/free-free-post-verify-batch/llms.txt): $0.00 per 1,000, 50% complete

## 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://api.botoi.com/openapi.json
- https://api.botoi.com/v1/email/validate
- https://botoi.com/
- https://botoi.com/api/lookup/email-validate/
- https://botoi.com/blog/email-validation-api-comparison-2026/
- https://botoi.com/llms.txt
- https://botoi.com/pricing/
- https://botoi.com/terms/