FastAPI vs Flask: Choosing the Right Python API Framework for Serving Your AI Agent
Compare FastAPI and Flask for serving AI agents, ML APIs, LLM backends, and production-ready Python services.
FastAPI
Unlock the power of FastAPI, the modern, high-performance web framework for building RESTful APIs with Python. Here, you will find hands-on tutorials, end-to-end guides, best practices and examples for using FastAPI. We explain step by step how you can start from scratch with FastAPI.
10 posts
How to Serve a React App with FastAPI Using Static Files
📘 Introduction FastAPI is a powerful Python framework for building APIs that is both fast and modern. But sometimes you want more than just an API—you also want a user-friendly interface. Instead of running React and FastAPI on two separate servers, you can bundle your React frontend inside FastAPI and...
Connect FastAPI to PostgreSQL with SQLModel and Pydantic Settings
📘Introduction FastAPI is a modern, high-performance web framework for building APIs with Python. In real-world applications, you'll often need to connect to a relational database like PostgreSQL to store and retrieve data. But building that connection securely and cleanly—especially across development, staging, and production environments—requires a...
Manage Settings and Environment Variables in FastAPI
Introduction FastAPI is a modern, fast (high-performance) web framework for building APIs with Python. When building real-world applications, you’ll often need to manage sensitive information like API keys, database URLs, or feature toggles that should vary across environments (development, testing, production). Using environment variables and Pydantic’s BaseSettings is...
Build a LLM Application with FastAPI and Hugging Face Inference API
Introduction The Hugging Face Inference API makes it easy to send prompts to large language models (LLMs) hosted on the Hugging Face Hub. By combining this with FastAPI—a modern Python web framework—you can build scalable, production-ready APIs that serve LLM-powered responses to your applications. In this tutorial, you’...
How to create a POST Endpoint and define a Request Body in FastAPI
Introduction FastAPI is a modern web framework that empowers developers to build web APIs quickly and efficiently using Python. A POST endpoint in FastAPI allows clients to submit data to the server, often for creating new resources. One part of a POST request ist the Request Body, which contains the...
How to create a GET Endpoint with Query Parameters in FastAPI
Introduction FastAPI is a modern web framework that empowers developers to build web APIs quickly and efficiently using Python. A GET endpoint allows clients to retrieve data from a server. In a GET request, query parameters allow passing additional information to an endpoint via the URL's query string,...
How to create a GET Endpoint with Path Parameters in FastAPI: A Beginner’s Guide
Introduction FastAPI is a modern web framework that empowers developers to build web APIs quickly and efficiently using Python. A GET endpoint allows clients to retrieve data from a server. In a GET request, path parameters can be used to pass values directly in the URL to retrieve specific resources....
How to containerize a FastAPI Application with Docker
Introduction FastAPI, a high-performance Python web framework, coupled with Docker, a powerful containerization tool, can significantly boost the efficiency of your development workflow. In this blog post, we'll walk you through the process of setting up a FastAPI project using a Dockerfile, providing a flexible and scalable solution...