A user-friendly API development and testing platform
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Echo is a powerful, intuitive tool designed to streamline your API development workflow, directly on your web browser. Built for developers who need a reliable companion for testing, debugging, and documenting HTTP requests. Fueled by Open Source, Echo provides a clean, efficient environment for working with REST APIs, GraphQL endpoints, and webhooks.
- Zero Installation - No heavy desktop client, runs entirely in your browser, start testing APIs instantly
- Universal Access - Work from any device with a web browser, your work syncs across sessions
- REST & GraphQL Support - Test any HTTP endpoint with full method support (GET, POST, PUT, DELETE, PATCH, etc.)
- Real-time Response Inspection - View formatted JSON/XML responses with syntax highlighting
- Environment Variables - Switch between dev, staging, and production configurations seamlessly
- Request Collections - Organize and group related API calls for better project management
- Authentication Handling - Built-in support for Bearer tokens, Basic Auth, OAuth, and API keys
- Request History - Track and replay previous requests without losing your work
- Shareable Workspaces - Collaborate with teams by sharing request collections
For detailed setup instructions, coding guidelines, and the contribution process, please check out the SETUP.md file.
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