API Tester Online - Test REST APIs

Test APIs online for free. Send HTTP requests and view responses. Support for GET, POST, PUT, DELETE.

Headers (JSON)

What This Tool Does

1
Enter API endpoint URL
Paste the full URL of the API you want to test
2
Select HTTP method
Choose GET, POST, PUT, DELETE, or other method
3
Add headers and body
Include authentication tokens, content-type, and request body if needed
4
Send and review response
Execute the request and inspect status, headers, and response data

1

Paste the full URL of the API you want to test

2

Choose GET, POST, PUT, DELETE, or other method

3

Include authentication tokens, content-type, and request body if needed

4

Execute the request and inspect status, headers, and response data

GET, POST, PUT, DELETE, PATCH, HEAD, and OPTIONS are all supported.

Yes, you can add Bearer tokens, API keys, or Basic authentication in headers.

Most API testers include request history or saved collections for repeated testing.

Many API testers support multipart form data for file uploads in POST/PUT requests.