Securing FastAPI Services OAuth2

High-Level Overview Of How To Authenticate FastAPI Services Using OAuth2

FastAPI is one of the most popular Python web frameworks. This article will provide a high-level overview of how to handle security within a FastAPI web service.

This article will explain how to use OAuth2 to authenticate users.

Security is an advanced concept and it is one of the most important concepts to be aware of as an architect and developer.

FastAPI provides the fastapi.security module. This module simplifies several tools for using the required security mechanisms for your application.

I have written an introductory article on how to create an application with FastAPI framework here:

Build And Host Fast Data Science Applications Using FastAPI

Let’s Start With OAuth2

We can use OAuth2 in FastAPI. FastAPI takes care of the security flow for us so we don’t need to code the flow of how the OAuth2 protocol works.