Free Public APIs

A collection of 311 Free Public APIs for Students and Developers.

Tested every single day.

🔍UserCheck API

Description

The UserCheck API allows you to verify the validity of a domain by sending a simple GET request to the domain endpoint. It provides responses indicating whether the domain is valid, invalid, or if rate limits have been exceeded.

Showcase

Currently, there are no Showcases using this API.

Endpoints

Check if hello@freepublicapis.com is a temporary email address

https://api.usercheck.com/email/hello@freepublicapis.com

Last 30 Days

100 % Reliability

Avg. Response Time

683 ms

0 % Error Rate

Endpoint Checked

16 hours ago

Endpoint Added

23 days ago

Comments

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