Mockoon offers tons of features that makes API mocking a breeze.
Create an unlimited number of mock API with unlimited number of routes and run them in parallel
Use the CLI to run your mock APIs in any headless or automated environment: CI, GitHub Actions, Docker containers, etc
Discover the CLI →Run your mock APIs in serverless environments: AWS Lambda, GCP/Firebase Functions, etc
Serverless library →Deploy your mock APIs online with Mockoon Cloud and share them with your team
Documentation →Route regex supported (/.*, /[a-z]{3}, ...), based on ExpressJS syntax
Serve multiple rules-triggered or random responses with any headers body, or HTTP status codes
Documentation →Use our read-to-use templates and AI assistant to quickly prototype your mock APIs
Learn more →Automatically send CORS headers (Access-Control-Allow-Origin, etc.) for OPTIONS requests
Add any response headers to your routes and mock API. With auto-completion
Documentation →Add latency at environment or route level or even both
Collaborate with your team in real-time on your mock APIs
Documentation →All incoming requests and outgoing responses are logged for easier debugging
Documentation →Redirect all non-defined routes to the specified host with Mockoon's proxy mode.
Documentation →Rich text editor for body content supporting multiple languages (JSON, HTML, etc)
Templating supported in body, file content and header, with many helpers: url params, query params, JSON body lookup, etc
Documentation →Real-time auto save as you type. Never worry again about saving!
Run the CLI directly as an NPM package or use the provided Docker image
Documentation →Offline and privacy friendly making Mockoon the best choice for highly regulated or high-security environments
No account, no sign-up, no cloud deployment required