JSONing Mock API
Free and open source fake API for testing and prototyping
5 followers
Free and open source fake API for testing and prototyping
5 followers
Free and open-source fake API to test and prototype. It allows you to instantly generate a fully functional API from any JSON object. You can create rules to handle errors and customize HTTP codes, headers, and responses. The tool is completely free to use, and you can access the source code to run it locally.
JSONing Mock API launches
Launch date
JSONing Mock API Free and open source fake API for testing and prototyping
Launched on November 26th, 2025