FastAPI Intro 101: Getting Started With Your First FastAPI Application
Bhuvan
Technical Staff
INTRODUCTION
FastAPI is a modern, high-performance Python framework for building APIs. It is easy to learn, extremely fast, and automatically generates interactive API documentation.
In this tutorial, you'll create your first FastAPI application using uv, run the development server, and explore the built-in documentation.
PREREQUISITES
Before starting, ensure you have:
- Python 3.10 or newer
- uv installed
- VS Code or another editor
- Basic Python knowledge
STEP 1: CREATE A NEW PROJECT
mkdir fastapi-intro
cd fastapi-intro
uv initThe uv init command creates a new Python project and generates a pyproject.toml file.
STEP 2: INSTALL FASTAPI
Install FastAPI together with its recommended standard dependencies.
uv add "fastapi[standard]"This installs FastAPI, Uvicorn, and other recommended packages required for development.
STEP 3: CREATE MAIN.PY
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