# LOX24, free: Email verification API

> Checks whether the address is valid and whether the domain is suspicious, for example with disposable addresses.

LOX24's Starting credit plan for the email verification API costs $0.00 per 1,000 emails. LOX24's docs list 1 of the 6 fields on our checklist: Deliverability.
We haven't run LOX24 through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 4,041 plans for email verification APIs by price. Half the plans cost $1.999 per 1,000 emails or less. [See the best free email verification API plan.](https://datacircle.dev/best-email-verification-api.txt)
[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. [StableEnrich's pay-as-you-go plan](https://datacircle.dev/validate-email-apis/stableenrich/pay-as-you-go-pay-per-request-with-x402-or-mpp-post-api-minerva-validate-emails/llms.txt) costs the least for 10,000 emails a month: $0.05.
[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.
[pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt), [looot](https://datacircle.dev/validate-email-apis/looot/top-up/llms.txt) and [MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/lox24/free
- [Email validation API: 210+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://www.lox24.eu/en/anti-fraud-check-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://api.lox24.eu/fraud-checks`
- API key: with the plan, on https://www.lox24.eu/en/anti-fraud-check-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://doc.lox24.eu/api/operations/api_fraud-check_post_collection/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: LOX24 (https://www.lox24.eu?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 17%
- Deliverability: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Send the SMS · Create the Bulk · Create a verify code

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Checks whether the address is valid and whether the domain is suspicious, for example with disposable addresses.

## Data

- What it checks: format, disposable domains
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0
- You get: 25 requests
- Enough for: 25 calls, once
- Expires: never while a message is sent or a top-up made within 12 months, after 12 months of neither, 10% of the last top-up is deducted each month

## Rate limit

- Batch: 1

## Speed

- Answer: by polling or webhook

## The call

- You send: service_code "economy", "direct" or "pro". Optional: callback_data, phone, email, ip, address.iso2, address.city, address.postcode, address.street_number, address.street_name
- Method: POST
- Path: /fraud-checks

## About the plan

- Plan: Starting credit
- Who can get it: companies, the self-employed and freelancers, clubs, parties, religious communities and public bodies, no offer for private individuals

## The 8 fields the plan's answer can hold

request ID, status code, risk score, service code, created at, updated at, callback data, price

## LOX24's plans (4)

- [LOX24, free](https://datacircle.dev/validate-email-apis/lox24/free/llms.txt): $0.00 per 1,000, 17% complete
- [LOX24, top-up, Economy](https://datacircle.dev/validate-email-apis/lox24/top-up-economy/llms.txt): $22.506 per 1,000, 17% complete
- [LOX24, top-up, Direct](https://datacircle.dev/validate-email-apis/lox24/top-up-direct/llms.txt): $33.759 per 1,000, 33% complete
- [LOX24, top-up, Pro](https://datacircle.dev/validate-email-apis/lox24/top-up-pro/llms.txt): $45.012 per 1,000, 33% complete

## LOX24's calls (1)

- `POST /fraud-checks`: [LOX24, free](https://datacircle.dev/validate-email-apis/lox24/free/llms.txt)

## LOX24's APIs (2)

- [LOX24: email verification API pricing, 4 plans](https://datacircle.dev/validate-email-apis/lox24/free/llms.txt)
- [LOX24: phone validation API pricing, 4 plans](https://datacircle.dev/validate-phone-apis/lox24/free/llms.txt)

## LOX24: email verification API alternatives

- [Scrupp, $261 yearly](https://datacircle.dev/validate-email-apis/scrupp/261-yearly/llms.txt): $21.75 per 1,000, 33% complete, live
- [Endereco, pay as you go, Expert: 1-10,000 API requests a month](https://datacircle.dev/validate-email-apis/endereco/pay-as-you-go-expert-1-10000-api-requests-a-month/llms.txt): $22.506 per 1,000, 17% complete, live
- [Dropcontact, €24,240 yearly](https://datacircle.dev/validate-email-apis/dropcontact/24240-yearly/llms.txt): $22.731 per 1,000, 33% complete, live
- [TrekMail, $279 yearly, Agency, POST /verify/bulk, Create a bulk job (quick)](https://datacircle.dev/validate-email-apis/trekmail/279-yearly-agency-post-verify-bulk-create-a-bulk-job-quick/llms.txt): $23.25 per 1,000, 50% complete, stored

## 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://doc.lox24.eu/api/operations/api_fraud-check_post_collection/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://doc.lox24.eu/info/fraud-detection?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://doc.lox24.eu/info/fraud-detection/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://doc.lox24.eu/openapi-en.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.lox24.eu/en/anti-fraud-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.lox24.eu/en/anti-fraud-check-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.lox24.eu/en/price-list?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.lox24.eu/en/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing