Don't let API dependencies slow you down. Design the perfect API mock with Mockoon Desktop and accelerate your development lifecycle

Get working mock REST APIs in seconds with an intuitive interface. No account, no cloud, zero latency.
Simulate real-world conditions with dynamic templating, Faker.js data, route rules, and custom delays.
Compatible with OpenAPI specifications. Import specs, export mocks, and run everywhere with the CLI.
Your data stays on your machine. Mockoon is offline-first with no tracking or telemetry on your mock traffic.