Developer Tool

API Request Tester

Send HTTP requests and inspect responses.

Waiting for request...

Quick Guide

  1. Step 1: Select the HTTP method
  2. Step 2: Enter the target URL
  3. Step 3: Optionally add headers and request body
  4. Step 4: Click Send Request and inspect the response

What is API Request Tester?

API Request Tester sends HTTP requests to APIs and displays responses for testing and debugging. See also: http-header-checker or cors-checker.

How It Works

Enter or paste your code or data into the input area, configure any options, and click the process button. The tool parses, transforms, or validates your input using built-in algorithms and displays the result instantly. You can copy the output or download it as a file.

Use Cases

Frequently Asked Questions

What does the API Request Tester do?

It processes your code or data in the browser, providing instant formatting, validation, or conversion results.

Is my code sent to a server?

No, all processing is done client-side. Your code stays on your device.

Can I use it on mobile?

Yes, the tool is fully responsive and works on smartphones and tablets.

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