Get working mock REST APIs in seconds with an intuitive and easy-to-use interface.
Run them everywhere with the CLI.
Compatible with the OpenAPI specification, Mockoon integrates perfectly with your existing applications and API design workflow.
Go beyond mocking with advanced features and tackle the most complex situation with HTTP requests recording, proxying, integration testing, etc.
Mockoon offers a wide range of features to create the most realistic mock APIs: dynamic templating, rules matching, JSON databases, proxy mode, webhooks, TLS support, and more.
Simulate real-life scenarios and improve integration testing with dynamic templating and rules-matching systems. Test your app resilience with chaos engineering features.
Forward requests to your real APIs, record and replay them. Ensure your app performs flawlessly with real-world data and responses.
Supercharge your team productivity with Mockoon Cloud. Collaborate on your mock APIs in real-time, deploy them to the cloud, and share them with your team.
Use the CLI and the Docker image to run your mock REST APIs on servers and headless environments: GitHub Actions, CircleCI, TravisCI, etc.
Deploy your mock REST APIs in cloud functions, compatible with most providers: AWS Lambda, GCP Functions, Firebase Functions, etc.
Our tools are offline first and require no account creation. They are privacy-friendly, making them the best choice for highly regulated or high-security environments.