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FastAPI

ASGI

The async successor to WSGI, supporting long-lived connections and async callables.

Why interviewers ask about it

WSGI is one synchronous call per request with no concept of a persistent connection - which is why WebSockets need ASGI rather than being a bolt-on.

Related terms

Uvicorn

An ASGI server, often run as worker processes managed by Gunicorn.

Async ORM (a-prefixed methods)

aget, acreate, acount, afirst and async iteration, added in Django 4.1, with asave/adelete and the related-manager methods in 4.2.

This term is part of the free Python Full-Stack interview preparation module - browse the full glossary for every definition.