Mockoon
The easiest way to design and run mock REST APIs locally or in the cloud. Free, open-source, and cross-platform with no account required.
Mockoon is an open-source alternative to:
Mockoon
Mockoon is the easiest and quickest way to design and run mock REST APIs. Whether you need a simple mock server for testing or a complex API with dynamic responses, Mockoon provides a powerful yet intuitive interface to get started in seconds.
Key Features
- Instant API Mocking: Create realistic mock REST APIs in seconds with an intuitive GUI
- Cross-Platform: Available as a desktop application, CLI tool, and cloud service
- Dynamic Templating: Generate dynamic responses using templating and rules-matching systems
- OpenAPI Compatibility: Import and export OpenAPI specifications for seamless integration
- Advanced Routing: Set up complex routing with proxy mode, webhooks, and TLS support
- JSON Database: Store and retrieve data with built-in JSON database functionality
- Chaos Engineering: Test edge cases and simulate real-world scenarios
- No Remote Deployment Needed: Run mock servers locally without any cloud dependencies
- CLI Support: Manage mock servers programmatically with the command-line interface
- Integration Testing: Record HTTP requests and perform integration testing
Tech / Self-Hosting
Mockoon is available as:
- Desktop Application: Download for Windows, macOS, or Linux
- CLI Tool: Install via npm or standalone binary
- Cloud Service: Deploy mock APIs in the cloud with Mockoon Cloud
The open-source core is self-hostable and can be deployed anywhere. The cloud service offers additional features and managed deployments.