tool
Mockoon
Mockoon is an open-source desktop application for creating and running mock APIs locally. It provides a user-friendly GUI to simulate REST APIs with customizable endpoints, responses, and behaviors without requiring coding or server setup. It's commonly used for frontend development, testing, and prototyping when backend services are unavailable or incomplete.
Also known as: Mockoon API Mocking Tool, Mockoon Desktop, Mockoon App, Mockoon Mock Server, Mockoon GUI
🧊Why learn Mockoon?
Developers should use Mockoon when they need to simulate API responses during development or testing phases, such as when building frontend applications that depend on backend APIs that aren't ready yet. It's particularly useful for mocking complex API scenarios, like error handling or delayed responses, to ensure robust client-side code without relying on external services.