FastAPI Tutorial – Easy API Setup

If you are looking to build a fast and easy API for your web application, FastAPI is the perfect choice. FastAPI is a modern web framework for building APIs with Python. It is efficient, highly performant, and easy to use.

In this tutorial, we will guide you through the setup process of a basic API using FastAPI. Follow the steps below to get started:

Step 1: Install FastAPI

First, you need to install FastAPI using pip:

pip install fastapi

Step 2: Install Uvicorn

Uvicorn is a lightning-fast ASGI server implementation, which will be used to run the FastAPI application. Install it using pip:

pip install uvicorn

Step 3: Create a FastAPI Application

Create a new Python file and import FastAPI:

from fastapi import FastAPI

Create a FastAPI app instance:

app = FastAPI()

Step 4: Define API Endpoints

Add some sample API endpoints to your FastAPI app:

@app.get('/')
def read_root():
return {'message': 'Hello, World!'}

Step 5: Run the FastAPI App

Finally, run the FastAPI app using Uvicorn:

uvicorn your_file_name:app --reload

That’s it! Your FastAPI API is up and running. You can now test your API endpoints by visiting http://localhost:8000/ in your browser.

Conclusion

FastAPI is a powerful and easy-to-use framework for building APIs with Python. With its high performance and simple syntax, it is the perfect choice for developers looking to create fast and efficient APIs for their web applications. Try out FastAPI today and see for yourself!