JSON Placeholder API Tester

Test REST API calls with JSONPlaceholder fake data

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4.9(174 reviews)
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About JSON Placeholder API Tester

The JSON Placeholder API Tester helps developers learn and test REST API concepts using JSONPlaceholder's fake online API. Make GET requests to six different endpoints — posts, users, comments, albums, todos, and photos. View formatted JSON responses, test filtering and pagination, and understand REST patterns. Perfect for learning APIs, testing front-end code, or prototyping. Completely free.

JSON Placeholder API Tester Features

  • 6 endpoints
  • Live responses
  • JSON formatting
  • Filter support
  • Pagination
  • No auth
The JSON Placeholder API Tester lets you experiment with REST API calls using a free fake online API. Explore posts, users, comments, and more — perfect for learning REST concepts or testing front-end code.

How Do I Test the JSONPlaceholder API?

Test API calls:

Select endpoint. Choose posts, users, comments, albums, todos, or photos.

Make request. Click Fetch to make a GET request.

View response. See formatted JSON data.

Tips for Best Results

API tips:

  • ID filtering — Add an ID to fetch a specific resource.
  • Nested resources — Some endpoints support nested queries.

Step-by-Step Instructions

  1. 1Open the API Tester.
  2. 2Select an endpoint.
  3. 3Optionally enter a resource ID.
  4. 4Click Fetch.
  5. 5View the JSON response.

JSON Placeholder API Tester — Frequently Asked Questions

Is the data real?+

No, JSONPlaceholder provides fake data for testing purposes.

Is this free?+

Yes, JSONPlaceholder is completely free.

Can I make POST requests?+

This tool focuses on GET requests for safety. JSONPlaceholder supports POST but fakes the response.

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