API Tester

Send HTTP requests and inspect responses — free online REST API tester

Frequently Asked Questions

What is an API tester?

An API tester lets you send HTTP requests (GET, POST, PUT, DELETE) to any URL and view the response including status code, headers, and body. It is an essential tool for developers building and debugging REST APIs.

Is this API tester free?

Yes, this tool is completely free with no registration required. All requests are made directly from your browser.

Can I send POST requests with a body?

Yes, you can add a JSON request body and custom headers for POST, PUT, and PATCH requests. Select the method and fill in the body field.