What is Swagger UI? Meaning and example

What is Swagger UI?

Swagger UI: An interactive web page generated from an OpenAPI description that shows every endpoint of an API and lets you try requests directly in the browser. FastAPI serves one at /docs by default.

Level: intermediateTopic: Web APIs HTTP

Swagger UI: an example

Opening /docs on a FastAPI app lets you click 'Try it out' and send a request without writing code.

Related terms

OpenAPI
Endpoint
REST
API

More Web APIs HTTP terms

Timeout
TLS
URI
URL
URL encoding
User-Agent
Web API
Webhook

Where you learn it

Swagger UI is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.