Quiz: What is the OpenAPI Specification (formerly Swagger)?
The OpenAPI Specification standardizes API documentation, client SDK generation, and mock server creation.
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The OpenAPI Specification standardizes API documentation, client SDK generation, and mock server creation.
REST is lightweight and architectural; SOAP is a formal protocol with built-in enterprise standards like WS-Security and strict XML sc …
RESTful URIs use plural nouns representing resource hierarchies ( /users/123/orders ) rather than action verbs.
FastAPI inspects route code type annotations to automatically output an OpenAPI schema rendered via interactive Swagger UI.
Modern FastAPI uses an asynccontextmanager lifespan handler to manage startup initialization and shutdown cleanup cleanly.
FastAPI handles synchronous def functions by running them in an internal threadpool, preventing blocking of the async event loop.
FastAPI is built directly on top of Starlette for web routing and Pydantic for data schemas.
Statelessness ensures that server-side session state is avoided, improving scalability and reliability across stateless microservices.