Dynamic URLs in FastAPI: Handling Path Parameters for Quick API Development

Learn how to use path parameters in FastAPI to create dynamic URLs and handle unique resource IDs. Boost your API development with these practical tips!"

If you're developing web apps, making sure they're fast and efficient is just as important as writing good code. That's where FastAPI comes in. FastAPI is a modern, high-performance web framework for building APIs with Python 3.7+ using standard Python type hints.

But why pick FastAPI? Think of it as a turbocharged web framework just for Python developers. It helps you create APIs quickly and efficiently without losing speed or reliability. I am a big Flask user so digging into FastAPI has been insightful.

It offers a Python-friendly way to build web APIs, using Python type hints to automatically check and convert data. Whether you're handling requests, managing responses, or working with databases, FastAPI makes the process easier and boosts your productivity because it’s so much faster!

Welcome to FastAPI.

Imagine you're subscribed to a cool newsletter called 3 Randoms. Each week, it introduces you to three lesser-known Python tools that can make your coding better. It's like expanding your toolbox and discovering new tricks. Welcome to 3 Randoms.

Today I’ll show you Simple GET Endpoints, Dependency Injection, and Handling Request Bodies with Pydantic Models.

What makes FastAPI special is how easy it is to use while still being super fast. It lets you create strong APIs with minimal code, thanks to its automatic documentation, data checking, and interactive API docs.

This isn't just for the basics. It also has advanced features like handling requests asynchronously, dependency injection, and WebSocket support, ensuring your apps are scalable and responsive.

In order for this to work correctly you should pip install both fastAPI and uvicorn as I have here below ⤵️

pip3 install fastapi uvicorn

To activate and run your api simply write the following command in your terminal:

uvicorn main:app --reload

Once you have your server running you can just click refresh in your browser when you want to update the page, no need to shut down and reload.

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This Week’s FastAPI Tips