HTTP Request

HTTP Request Tester — Free Postman Alternative That Works in Your Browser

A professional and free tool for testing and debugging HTTP requests and APIs directly from your browser with no installation needed. It supports all HTTP methods and lets you configure query parameters, headers, authentication, and request body, with full response display across four views — just like Postman or Insomnia.

Key Features

• All HTTP methods — GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS
• Query Parameters — Dynamically add and edit params with live URL preview
• Custom Headers — Add any header such as Content-Type, Authorization, Accept, and more
• Multiple Body types — Raw JSON, Form data (text or file upload), plain text, XML
• Authentication — Bearer Token, Basic Auth (username + password), API Key in header or URL query
• 4 Response views — Pretty (syntax-highlighted JSON and XML), Raw, HTML Preview in sandboxed iframe, Headers table
• Response statistics — HTTP status code with label, response time in ms, response size
• One-click copy — Copy the response body instantly
• Fixed LTR layout — Designed for API work regardless of the interface language

How to Use

1. Select an HTTP method from the dropdown (GET, POST, etc.)
2. Enter the API URL in the URL field
3. Add Parameters, Headers, Body, or Auth as needed using the tabs below
4. Click Send and wait for the response
5. Browse the response in Pretty, Raw, Preview, or Headers tabs

Important Note on CORS

Because requests are sent directly from the browser, they are subject to browser CORS security policy. APIs that do not include Access-Control-Allow-Origin headers will result in a "Failed to fetch" error — this is a browser restriction, not a bug in the tool. For quick testing, try: jsonplaceholder.typicode.com, httpbin.org, or api.coindesk.com.