fastapi

• a minimalist and fast backend framework based on starlette and pydantic
• should be used to build highly performant apis for production use

creating an api

1. install fastapi

pip install fastapi

2. create a simple hello world api

from fastapi import FastAPI
app = FastAPI()
 
# GET request  
@app.get("/")
def index():
return {"message": "Hello, World!!"}

3. run the app on local

fastapi run dev

Links:

python fastapi vs django vs flask

202508202229