Free HTTP API Tester Online
Test HTTP API endpoints directly in browser: GET, POST, PUT, DELETE, PATCH with custom headers, request body, and formatted JSON response viewer. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
How It Works
Enter API URL
Input the API endpoint URL.
Select Method
Choose HTTP method: GET, POST, PUT, DELETE, PATCH, or HEAD.
Add Headers & Body
Set request headers (Content-Type, Authorization) and JSON/form body.
Send & View Response
See formatted JSON response, status code, headers, and response time.
Frequently Asked Questions
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