API Request Builder
Build HTTP requests visually with method, headers, body, and params. Send via fetch and see the full response. Like a mini Postman.
Requests are sent directly from your browser using the Fetch API. CORS restrictions may block requests to servers that do not include Access-Control-Allow-Origin headers. No data is proxied through any third-party service. Try the default URL to see it in action.
How to Use API Request Builder
- 1
Choose HTTP method
Select GET, POST, PUT, DELETE, or another HTTP method.
- 2
Enter the endpoint URL
Type the full API URL including any path parameters.
- 3
Add headers and body
Set authorization headers, content type, and request body as needed.
- 4
Copy the request
Export the formatted request as cURL, fetch, or your preferred format.
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