# WhoisXML API, free, Free, POST /api/bevService/request: Email validation API

> Our Email Verification API performs a comprehensive validation of email addresses in real-time and conveniently. Verify the email addresses coming from new user registrations, reduce email bouncing, block spam, and more.

WhoisXML API'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/whoisxml-api/free-free-post-api-bevservice-request
- Get it: https://emailverification.whoisxmlapi.com/api/pricing
- Its API docs: https://emailverification.whoisxmlapi.com/bulk-api/documentation/making-requests
- Sold by: WhoisXML API (https://www.whoisxmlapi.com)
- 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: result
- Also pays for: from the same budget: Email Verification API

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Our Email Verification API performs a comprehensive validation of email addresses in real-time and conveniently. Verify the email addresses coming from new user registrations, reduce email bouncing, block spam, and more.

## Data

- Keep data: until the Agreement ends: on termination, delete the Data and Whois API Properties
- Use data: Customer’s license to use Whois API’s Services, Data, and other properties is limited to internal business purposes only. Accordingly, Customer shall not: Resell, sublicense, or distribute the Data or Services to any third party, Use the Data in any commercial product or service intended for sale, licensing, or public distribution, Modify or create derivative works intended for public release or commercial gain without the express written consent of Whois API. [...] Customer and its affiliates shall not use, or permit any third party to use, the Data or Parsed Data (including derivatives) for the purpose of AI model training, testing, or development without receiving express, written authorization from Whois API.

## Plan

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

## Rate limit

- Batch: 50,000

## Speed

- Answer: by polling

## The call

- You send: emails. Optional: format
- Method: POST
- Path: /api/bevService/request

## About the plan

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

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

email address, format check, SMTP check, DNS check, free check, disposable check, catch-all check, MX records, result

## WhoisXML API's plans (22)

- [WhoisXML API, free, Free, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/free-free-post-api-bevservice-request/llms.txt): $0.00 per 1,000, 33% complete
- [WhoisXML API, $89 pack, One-time purchase 10,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/89-pack-one-time-purchase-10000-queries-post-api-bevservice-request/llms.txt): $8.90 per 1,000, 33% complete
- [WhoisXML API, $279 pack, One-time purchase 50,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/279-pack-one-time-purchase-50000-queries-post-api-bevservice-request/llms.txt): $5.58 per 1,000, 33% complete
- [WhoisXML API, $479 pack, One-time purchase 100,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/479-pack-one-time-purchase-100000-queries-post-api-bevservice-request/llms.txt): $4.79 per 1,000, 33% complete
- [WhoisXML API, $979 pack, One-time purchase 250,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/979-pack-one-time-purchase-250000-queries-post-api-bevservice-request/llms.txt): $3.916 per 1,000, 33% complete
- [WhoisXML API, $1,599 pack, One-time purchase 500,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/1599-pack-one-time-purchase-500000-queries-post-api-bevservice-request/llms.txt): $3.198 per 1,000, 33% complete
- [WhoisXML API, $54 monthly, Monthly subscription 10,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/54-monthly-monthly-subscription-10000-queries-post-api-bevservice-request/llms.txt): $5.40 per 1,000, 33% complete
- [WhoisXML API, $129 monthly](https://datacircle.dev/validate-email-apis/whoisxml-api/129-monthly/llms.txt): $2.53 per 1,000, 50% complete, live
- [WhoisXML API, $174 monthly, Monthly subscription 50,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/174-monthly-monthly-subscription-50000-queries-post-api-bevservice-request/llms.txt): $3.48 per 1,000, 33% complete
- [WhoisXML API, $294 monthly, Monthly subscription 100,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/294-monthly-monthly-subscription-100000-queries-post-api-bevservice-request/llms.txt): $2.94 per 1,000, 33% complete
- [WhoisXML API, $449 monthly](https://datacircle.dev/validate-email-apis/whoisxml-api/449-monthly/llms.txt): $2.53 per 1,000, 50% complete, live
- [WhoisXML API, $594 monthly, Monthly subscription 250,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/594-monthly-monthly-subscription-250000-queries-post-api-bevservice-request/llms.txt): $2.376 per 1,000, 33% complete
- [WhoisXML API, $984 monthly, Monthly subscription 500,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/984-monthly-monthly-subscription-500000-queries-post-api-bevservice-request/llms.txt): $1.968 per 1,000, 33% complete
- [WhoisXML API, $999 monthly](https://datacircle.dev/validate-email-apis/whoisxml-api/999-monthly/llms.txt): $2.53 per 1,000, 50% complete, live
- [WhoisXML API, $1,899 monthly](https://datacircle.dev/validate-email-apis/whoisxml-api/1899-monthly/llms.txt): $2.53 per 1,000, 50% complete, live
- [WhoisXML API, $2,999 monthly](https://datacircle.dev/validate-email-apis/whoisxml-api/2999-monthly/llms.txt): $2.53 per 1,000, 50% complete, live
- [WhoisXML API, $540 yearly, Yearly subscription 10,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/540-yearly-yearly-subscription-10000-queries-post-api-bevservice-request/llms.txt): $4.50 per 1,000, 33% complete
- [WhoisXML API, $1,740 yearly, Yearly subscription 50,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/1740-yearly-yearly-subscription-50000-queries-post-api-bevservice-request/llms.txt): $2.90 per 1,000, 33% complete
- [WhoisXML API, $2,940 yearly, Yearly subscription 100,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/2940-yearly-yearly-subscription-100000-queries-post-api-bevservice-request/llms.txt): $2.45 per 1,000, 33% complete
- [WhoisXML API, $5,940 yearly, Yearly subscription 250,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/5940-yearly-yearly-subscription-250000-queries-post-api-bevservice-request/llms.txt): $1.98 per 1,000, 33% complete
- [WhoisXML API, $9,840 yearly, Yearly subscription 500,000 Queries, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/9840-yearly-yearly-subscription-500000-queries-post-api-bevservice-request/llms.txt): $1.64 per 1,000, 33% complete
- [WhoisXML API, contact us, Custom Plan, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/contact-us-custom-plan-post-api-bevservice-request/llms.txt): 33% complete

## WhoisXML API's calls (2)

- `POST /api/bevService/request`: [WhoisXML API, free, Free, POST /api/bevService/request](https://datacircle.dev/validate-email-apis/whoisxml-api/free-free-post-api-bevservice-request/llms.txt)
- `GET /api/v3`: [WhoisXML API, free, Free, GET /api/v3](https://datacircle.dev/validate-email-apis/whoisxml-api/free-free-get-api-v3/llms.txt)

## Similar plans of other providers

- [ZeroBounce, free, Freemium, POST /v2/validatebatch](https://datacircle.dev/validate-email-apis/zerobounce/free-freemium-post-v2-validatebatch/llms.txt): $0.00 per 1,000, 83% complete, live
- [Abstract API, free](https://datacircle.dev/validate-email-apis/abstract-api/free/llms.txt): $0.00 per 1,000, 67% complete, live
- [Xverify, free](https://datacircle.dev/validate-email-apis/xverify/free/llms.txt): $0.00 per 1,000, 33% complete, live
- [AeroLeads, free](https://datacircle.dev/validate-email-apis/aeroleads/free/llms.txt): $0.00 per 1,000, 33% 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://emailverification.whoisxmlapi.com/api/pricing
- https://emailverification.whoisxmlapi.com/bulk-api
- https://emailverification.whoisxmlapi.com/bulk-api/documentation/api-usage-rules
- https://emailverification.whoisxmlapi.com/bulk-api/documentation/get-results-processed-emails
- https://emailverification.whoisxmlapi.com/bulk-api/documentation/making-requests
- https://main.whoisxmlapi.com/terms-of-service
- https://main.whoisxmlapi.com/wxa-one/pricing