API Response Visualizer

Fetch and visualize JSON API responses in a beautiful tree view. Test your APIs, inspect response structures, and debug with ease. Supports GET and POST requests.

API Endpoint URL

Request Method

Custom Headers (Optional)

Leave empty if no custom headers are needed

Try these examples:

Enter an API URL and click "Fetch API Response"

Real-time Fetching

Make actual HTTP requests to any public API endpoint with custom headers and methods.

Interactive Tree View

Explore nested JSON structures with expandable/collapsible tree nodes for easy navigation.

Copy & Export

Copy formatted JSON to clipboard with one click for use in your projects.

Usage Tips

CORS Issues: Some APIs block browser requests. Use APIs with CORS enabled or test with public demo APIs like JSONPlaceholder.

Authentication: Add Bearer tokens or API keys in the Custom Headers field as JSON format.

POST Requests: Switch to POST method and add your request body in JSON format for API mutations.