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Instantly generate API specifications in real time for any app or website. Open the add-on in Firefox developer tools and watch network requests become an OpenAPI specification.

Instantly generate API specifications in real time for any app or website .

OpenAPI DevTools generates OpenAPI specifications in real time from network requests. Once installed it adds a new tab to Firefox DevTools called OpenAPI. While the tool is open it automatically converts network requests into a specification.

Features:
- Instantly generate an OpenAPI 3.1 specification for any website or application just by using it
- Automatically merges new request & response headers, bodies, and query parameters per endpoint
- Click on a path parameter and the app will automatically merge existing and future matching requests
- View the specification inside the tool and download with a click
- Export and save a session at any time, or share it with others