Swagger UI
Easy — everyone uses thisBackend
ELI5 — The Vibe Check
Swagger UI reads your OpenAPI/Swagger spec file and turns it into a web page where users can browse endpoints and hit 'Try it out' to actually call your API. It's like API documentation that's also a client. Every developer's first instinct when handed a new API is to find the Swagger UI at /docs or /swagger.
Real Talk
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Related Terms
Bruno
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Postman
Postman is the GUI way to talk to APIs. Instead of crafting curl commands, you have a nice interface where you set the URL, headers, body, and hit Send.
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Redoc
If Swagger UI is the API documentation you use to test things, Redoc is the API documentation you show to customers.
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