DTTooleras
🔌

API Request Builder

Developer Utilities

Build and test HTTP requests with a visual interface. Free, private — all processing in your browser.

POSThttps://api.example.com/users2 headershas body
Generated Code

How to use

  1. 1. Enter or paste your data in the input area above
  2. 2. Adjust settings or options as needed
  3. 3. Click the action button or see real-time results
  4. 4. Copy the result with the copy button

All processing happens in your browser. Nothing is sent to any server.

About this tool

Build HTTP requests visually with method, URL, headers, body, and query parameters. Generate code in curl, JavaScript fetch, Python requests, and more.

FAQ

Is the API Request Builder free to use?

Yes, completely free. No signup, no premium tiers, no hidden costs.

Is my data safe when using the API Request Builder?

All processing happens in your browser. Your data never leaves your device.

Does the API Request Builder work on mobile?

Yes, fully responsive. Works on smartphones, tablets, and desktops.

Do I need to install anything?

No. It runs entirely in your web browser. Just open the page and use it.

Learn more

Explore more tools

200+ free tools that run in your browser.

Browse all tools →