Learn FASTAPI with Real Code Examples
Updated Nov 25, 2025
Learning Path
Learn Python 3.7+ basics
Understand FastAPI app and routing
Use Pydantic models for validation
Implement dependencies and middleware
Deploy FastAPI API to production
Skill Improvement Plan
Week 1: Python async fundamentals
Week 2: FastAPI routes and Pydantic models
Week 3: Dependencies and middleware
Week 4: Authentication & async DB integration
Week 5: Deployment and performance optimization
Interview Questions
What is FastAPI and why use it?
How does FastAPI achieve high performance?
Explain Pydantic models in FastAPI
How do you validate request data in FastAPI?
Compare FastAPI with Flask and Django REST Framework
Cheat Sheet
from fastapi import FastAPI -> create FastAPI instance
@app.get('/path') -> define GET route
@app.post('/path') -> define POST route
from pydantic import BaseModel -> define data model
uvicorn main:app --reload -> run server
Books
FastAPI: Modern, Fast Python API Development
High-Performance Python APIs with FastAPI
Building RESTful APIs with FastAPI
Mastering FastAPI
Async Python with FastAPI
Tutorials
Getting started with FastAPI
Build REST APIs with FastAPI
Define routes and Pydantic models
Use dependencies and middleware
Deploy FastAPI server to production
Official Docs
https://fastapi.tiangolo.com/
https://github.com/tiangolo/fastapi
Community Links
FastAPI GitHub
Python Discord/Slack channels
StackOverflow FastAPI questions
Reddit r/fastapi and r/python
YouTube FastAPI tutorials
Community Support
FastAPI GitHub
Python Discord and Slack channels
StackOverflow FastAPI questions
Reddit r/fastapi and r/python
Official documentation and tutorials