openapi devetools

Questions & Answers

What is openapi-devtools?

OpenAPI DevTools is a browser extension that generates OpenAPI specifications in real-time from network requests. It adds a new tab to DevTools, converting requests into a specification as the user browses.

Who can benefit from using openapi-devtools?

It is designed for developers, QA engineers, or anyone needing to understand or document an API's behavior without manual inspection. It is particularly useful for those building integrations or web scrapers.

How does openapi-devtools compare to manually creating an OpenAPI spec?

Unlike manual creation, OpenAPI DevTools automatically builds the specification by observing actual network traffic, including request/response headers, bodies, and query parameters. This reduces manual effort and ensures the spec reflects live API behavior.

When is the best time to use openapi-devtools?

Use OpenAPI DevTools when you need to quickly generate a working OpenAPI specification for an existing website or application whose API is not formally documented. It is ideal for rapid prototyping, understanding unknown APIs, or setting up automated testing.

Can openapi-devtools handle varied responses for the same endpoint?

Yes, if the same endpoint responds with different data types (e.g., a value that is sometimes a string and sometimes null), the specification will account for all observed information. It merges new request and response details per endpoint to build a comprehensive spec.