Chapter 2: Your First FastAPI Endpoint and Project Structure

Wed, 20 Aug 2025 00:00:00 +0000

With your development environment ready, it’s time to write some code! This chapter focuses on creating a minimal FastAPI application, understanding its basic components, and establishing a sensible project structure.

Purpose of this Chapter

By the end of this chapter, you will be able to:

Write a simple “Hello, World!” FastAPI application.
Run the FastAPI application using Uvicorn.
Understand basic FastAPI routing.
Create a foundational project directory structure.

Concepts Explained: FastAPI Basics

FastAPI is a modern, fast (high-performance) web framework for building APIs with Python 3.8+ based on standard Python type hints. It offers:

Endpoints on AI VOID

Chapter 2: Your First FastAPI Endpoint and Project Structure

Purpose of this Chapter

Concepts Explained: FastAPI Basics