# Foxentry, free trial, POST /email/validate, Validate email (extended): Email verification API

> We love to go deep and validate more than the format and length of the email field. Unleash the power of email autocorrect, validation of existence and benefit from protection against fake accounts.

Foxentry's email verification API on its Free trial plan. It costs $0.00 per 1,000 emails. It returns 3 of the 6 key fields we check: Address, Deliverability, Company.
Foxentry limits how many calls you get but gives no number.
We rank 3,227 plans by price. [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 our benchmark.

- This page: https://datacircle.dev/validate-email-apis/foxentry/free-trial-post-email-validate-validate-email-extended
- [Best email verification API in 2026: providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://foxentry.com/rest-api-price-list?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://api.foxentry.com/email/validate`, Validate email (extended)
- API key: with the plan, on https://foxentry.com/rest-api-price-list?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://foxentry.dev/reference/emailvalidation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Foxentry (https://foxentry.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

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: We love to go deep and validate more than the format and length of the email field. Unleash the power of email autocorrect, validation of existence and benefit from protection against fake accounts.

## Data

- Freshness: live
- What it checks: format, mail servers, disposable domains, mailbox
- Keep data: no limit
- Use data: You shall be responsible for your conduct related to the Script or the Service and their use always in accordance with these Terms and Conditions and with valid legislation. Your activity shall not be contrary to principles of ethics or public order and may not restrict the exercise of rights of a third person. You shall not make the Script or the Service available to any unauthorized third person. You shall not be entitled to sell, license, rent, assign or make available the Script or the Service to any third persons without our previous written consent. [...] When using the Script or the Service, You shall not use mechanisms, software, scripts or other procedures which could adversely affect their operation, i.e. in particular disrupt the functionality of the Script or the Service or overload them, and shall not perform any activity which could allow unauthorised interference with or unauthorised use of the software or other components constituting the Script or the Service and use the Script or the Service or any part of them or the software in a manner that would be contrary to their designation or purpose. [...] You may not modify, copy, reproduce, distribute or use the content for any purpose without our previous written consent.

## Plan

- Pay: $0
- Expires: 14 days

## Rate limit

- Batch: 1

## Speed

- Answer: in the call
- Median: 1.28 s

## The call

- You send: request.query.email, request.options.validationType "extended". Optional: request.customId, request.options.acceptDisposableEmails, request.options.acceptFreemails, request.options.acceptPhishingDomains, request.options.correctionMode, request.client.ip, request.client.country, request.client.location.lat, request.client.location.lon, foxentry-include-request-details header
- Method: POST
- Path: /email/validate

## About the plan

- Plan: Free trial
- Who can get it: anyone who signs up and creates an API project

## The 23 fields the plan's answer can hold

status, is valid, proposal, email, user, domain, catch-all, disposable, freemail, phishing domain, error group, error type, error subtype, error severity, error related inputs, error description, corrected result, fix group, fix type, fix subtype, fix original value, fix corrected value, suggestions

## Foxentry's plans (5)

- [Foxentry, free trial, POST /email/validate, Validate email (extended)](https://datacircle.dev/validate-email-apis/foxentry/free-trial-post-email-validate-validate-email-extended/llms.txt): $0.00 per 1,000, 50% complete, live
- [Foxentry, top-up, Pay as you go, POST /email/validate, Validate email (extended)](https://datacircle.dev/validate-email-apis/foxentry/top-up-pay-as-you-go-post-email-validate-validate-email-extended/llms.txt): $16.20 per 1,000, 50% complete, live
- [Foxentry, contact us, Above 100 000 req / month, POST /email/validate, Validate email (extended)](https://datacircle.dev/validate-email-apis/foxentry/contact-us-above-100-000-req-month-post-email-validate-validate-email-extended/llms.txt): 50% complete, live
- [Foxentry, contact us, Annual fix, POST /email/validate, Validate email (extended)](https://datacircle.dev/validate-email-apis/foxentry/contact-us-annual-fix-post-email-validate-validate-email-extended/llms.txt): 50% complete, live
- [Foxentry, contact us, Enterprise, POST /email/validate, Validate email (extended)](https://datacircle.dev/validate-email-apis/foxentry/contact-us-enterprise-post-email-validate-validate-email-extended/llms.txt): 50% complete, live

## Foxentry's calls for this API (2)

- `POST /email/validate`, Validate email (basic): [Foxentry, free trial, POST /email/validate, Validate email (basic)](https://datacircle.dev/validate-email-apis/foxentry/free-trial-post-email-validate-validate-email-basic/llms.txt)
- `POST /email/validate`, Validate email (extended): [Foxentry, free trial, POST /email/validate, Validate email (extended)](https://datacircle.dev/validate-email-apis/foxentry/free-trial-post-email-validate-validate-email-extended/llms.txt)

## Foxentry's APIs (2)

- [Foxentry: email verification API pricing, 5 plans, POST /email/validate, Validate email (extended)](https://datacircle.dev/validate-email-apis/foxentry/free-trial-post-email-validate-validate-email-extended/llms.txt)
- [Foxentry: phone validation API pricing, 5 plans, POST /phone/validate, Validate phone number (basic)](https://datacircle.dev/validate-phone-apis/foxentry/free-trial-post-phone-validate-validate-phone-number-basic/llms.txt)
- [Foxentry: phone validation API pricing, 5 plans, POST /phone/validate, Validate phone number (extended)](https://datacircle.dev/validate-phone-apis/foxentry/free-trial-post-phone-validate-validate-phone-number-extended/llms.txt)

## Foxentry: email verification API alternatives

- [Fiber AI, $2,400 monthly](https://datacircle.dev/validate-email-apis/fiber-ai/2400-monthly/llms.txt): $16.00 per 1,000, 50% complete, live
- [Clearout, $384 yearly, Pro 10K Credits, POST /email_verify/instant, Instant Verify, full](https://datacircle.dev/validate-email-apis/clearout/384-yearly-pro-10k-credits-post-email-verify-instant-instant-verify-full/llms.txt): $16.00 per 1,000, 50% complete, live
- [Melissa, $40 pack, 10,000 Credits, POST /V4/WEB/GlobalEmail/doGlobalEmail](https://datacircle.dev/validate-email-apis/melissa/40-pack-10000-credits-post-v4-web-globalemail-doglobalemail/llms.txt): $16.00 per 1,000, 67% complete, live
- [Findymail, $990 yearly](https://datacircle.dev/validate-email-apis/findymail/990-yearly/llms.txt): $16.50 per 1,000, 33% 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://foxentry.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://foxentry.com/email-validation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://foxentry.com/help-center/our-data-code?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://foxentry.com/help-center/try-foxentry-for-free?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://foxentry.com/rest-api-price-list?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://foxentry.com/terms-and-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://foxentry.dev/docs/validate-an-email.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://foxentry.dev/page/faq.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://foxentry.dev/reference/email-basic-vs-extended-validation.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://foxentry.dev/reference/emailvalidation.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://foxentry.dev/reference/testing-enviroment-sandbox.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing