Fast API

Question 1

What is Fast API?

Answer 1

FAPI is a fast (high-performance), web framework for building APIs with Python based on standard Python type hints.

Question 2

What are the key features of Fast API?

Answer 2

• Fast: on par with NodeJS and Go.
• Fast to code
• Fewer bugs
• Intuitive autocomplete
• ## Easy to use/learn

Question 3

What big companies have used FastAPI?

Answer 3

Microsoft, Netflix, Cisco

Question 4

What is FastAPI built on top of?

Answer 4

Starlette for web parts.
Pydantic for data parts.

Question 5

How do you install FastAPI?

Answer 5

pip install “fastapi[standard]”. Quotes ensure it works in all terminals

Question 6

How might the simplest possible Fast API main.py file look?

Answer 6

from fastapi import FastAPI
app = FastAPI()
@app.get(“/”)
def read_root():
. return {“Hello”: “World”}}

Question 7

How to run your main.py FastAPI file?

Answer 7

fastapi dev main.py

Question 8

What is the default port for FastAPI?

Answer 8

8000

Question 9

How would you set up a get route for specific items?

Answer 9

@app.get(“/items/{item_id}”)
def read_item(item_id: int, query: str):
return {“item_id”: item_id, “query”: query}

Question 10

How can you quickly see the routes that you’ve set up?

Answer 10

Go to port http://127.0.0.1:8000/docs in your browser or 8000/redocs (unofficial?)

Question 11

What is Pydantic and how is it often used with FastAPI?