Instantly Generate Mock APIs with JSON – No Login Needed

Get instant API access with our free Basic plan - includes Unlimited Storage.

Instantly Generate Mock APIs with JSON

Don't bother with signing up. You can quickly make and test APIs with mock data JSON in our powerful mock API tool. It works great for front-end writers who need a quick and adaptable JSON API mock to test real replies without having to write any back-end code

You can easily design, test, and approve your apps all in one place.

Get Started without loginDocumentation

Instant JSON API Mock Editor – No Setup Required

Easily design and change mock endpoints with our free online editor. This tool has a quick and flexible JSON API mock that you can use to simulate real APIs while you're building front-end apps or running demos.

You can use the route right away after adding your fake API for testing and setting the return style. This is great for writers who need to focus on building UI or processes instead of the backend.

Generate Test Data:

Select Dummy Data
Generate test data by selecting one of the above options like Login or Signup
* The Basic plan is free and gives instant API access – Unlimited Storage included.✅* Please guarantee correctness while developing the API. Once generated, you will be unable to change or update the key.* The immediate API will only be available for three days. After that, it will be instantly erased without warning.* For long-term usage, consider establishing a Faux API with a login.* You may build up to 10 APIs at a time.

Run API

Delete API

Best Practices to Obtain API Keys Safely and Securely

Create frontends using realistic REST API mocks

Make your frontend come to life using REST API mock responses. Quickly replicate user data, product listings, or any custom structure using a JSON placeholder API free. It's perfect for creating realistic interfaces before the backend is available

Test applications using reliable fake store APIs

Using our fake store API, you can simulate real-world use cases such as eCommerce and user profiles. Create comprehensive fake data and endpoints for different situations to accelerate the validation process without touching a real database.

Build independently using mock endpoints

Skip the backend delays and develop with total flexibility. Our mock endpoints enable frontend developers to work without waiting for backend integration. It functions similarly to programs such as JSON Server and Postman mock server, but is quicker and requires no login.

Automate deployments using lightweight mock APIs

Use uniform placeholder APIs for continuous testing in CI/CD processes. Faux API, like Postman mock server or JSON Server, ensures that automation runs smoothly by delivering consistent API answers for staging settings.

No more CORS errors while testing

Make API calls from any frontend app with no CORS issues. Faux API is preconfigured to handle cross-origin requests, which gives it an advantage over other mock API tools. Ideal for React, Vue, Angular, and static HTML applications.

Enhance Your Testing with the Free JSON Placeholder API

Use our free JSON placeholder API to test how your app handles various answers, such as failures, delays, and enormous amounts of data. Whether you're using Postman mock server, VSCode, or browser-based tools, our instantAPI playground provides complete control.