Fastapi user authentication python example. Features¶ …
Fastapi user authentication python example. Features¶ … ChatGPT API Free Reverse Proxy is a free reverse proxy to OpenAI API that allows users to access OpenAI API for free. get (os. Generate a router¶. Click on the Create button. You can find several of them in the awesome FastAPI list. I would like to redirect users to the login page, when they are not logged in. g. This code sample shows you how to accomplish the … Verification token: {token} ") async def get_user_manager (user_db: MongoDBUserDatabase = Depends (get_user_db)): yield UserManager (user_db) … Adding API Key Authentication to FastAPI. FastAPI has a standard way of handling logins to comply with OpenAPI standards. responses import … FastAPI Tutorial - User Guide Middleware¶. SecretStr]): A constant secret which is used to encode the token. That gets called before your endpoint function, similar to how a decorator wraps it. 1 Answer. You should create a virtual environment and activate it: python-m venv venv/ source …. from typing import Optional from fastapi import Header def has_access (authorization: Optional [str] = Header (None)): if root_value_getter: optional FastAPI dependency for providing custom root value. – FastAPI-Azure-Auth Azure AD Authentication for FastAPI apps made easy. I found fastapi-login module that advertised to be similar to Flask-login, but it thin on documentation to say the least. Flask is a Python microframework. I think FastAPI fails here while following DRY principle (as they have repeatedly claimed that FastAPI focuses on DRY). 2; FastAPI v0. Get started using FastAPI today with this detailed tutorial. Don't forget to include imports. Prisma Client Python - An auto-generated, fully type safe ORM powered by Pydantic and tailored specifically for your schema - supports SQLite, PostgreSQL, MySQL, MongoDB, MariaDB and more. Defaults to False. Hello everyone! Make sure to install the python-multipart dependency. FastAPI Website: h FastAPI is one of the fastest-growing Python web framework. pip install python-multipart. request and respond with the … Authentication. 0; Python v3. headers. hashed_password): return False return user. https://hello-world. It explains how to configure different middlewares and how to create and use JWT Bearer token authentication for each protected endpoints. Now we add the function responsible … Authentication in FastAPI. There are several other packages available which you might also want to try. Identifier. It is also built to work as a future reference. k. In most of the usual cases this will be an access token or bearer. Installation. 1; This is an intermediate-level tutorial, which focuses on developing backend and frontend apps with FastAPI and Vue, respectively. Flask. This will help show how we can use both packages for a login authentication process but before that, let's take at React and also what FastApi is. Now I am exploring a new type of authentication, API key-based authentication. Step 4: Test and Documentation. FastAPI works with any database and any style of library to talk to the database. So, in my last article, I wrote about adding Basic Authentication to the example tutorial app, which is based on the excellent work of Sebastián Ramírez of the FastAPI framework. Otherwise, throw 401 Unauthorized. – Production ready Python web server using Uvicorn and Gunicorn. Easy: Designed to be easy to use and learn. As with any FastAPI app we initiate our FastAPI() app object. A simple example of this can be the implementation of the SSO feature in web applications. With fastapi, there doesn't seem to be a straightforward answer to doing this. In fact, its speed is at par with Node. I am following the fastapi docs to implement an user authentication system. get ('Authorization'): HttpRequestUtil. I want to make sure that if either api-key authentication or jwt authentication passes, the user is authenticated. I was assuming that adding get_current_user in the router level dependency will allow me to get the logged in user in my view functions. 7+ Step 1: Configure your user flow. In-depth documentation can be found at fastapi-login. readthedocs. FastAPI Users is designed to be as customizable and adaptable as possible. Once you sign in, Auth0 takes you to the Dashboard. To interact with and view this data you can install the SQLite browser, which is freely available here. Add the following handler function for user logins and assign each user access and refresh tokens. Less time reading docs. This article will explain how to I have a basic web site on FastAPI. Once you have a FastAPIUsers instance, you can make it generate a single OAuth router for a given client and authentication backend. Step 2: Once the account has been created, log into it and click on the “ Add Inbox ” button. Input the inbox name and click on the “ Save ” button. Hello World API Server. At Intility we use FastAPI for both internal (single-tenant) and customer-facing (multi-tenant) APIs. FastAPI Example; Tortoise ORM - An easy-to-use asyncio ORM (Object Relational Mapper) … The missing pieces are: Create a custom class which makes use of Basic Authentication. What we need to do is therefore authenticate someone navigating on the frontend, and establish a secure connection with the backend to know … This app is uploaded to github, you can view the repository using this link, this tutorial is the branch guide-1. Warning Notice that SECRET should be changed … 75 9 1 Check this doc fastapi. Here is a minimal example of app. It features impressive performance and top-notch developer experience. However, this can still create some security vulnerabilities if your token is stolen What I mean by modern web application here is a FastAPI Python backend (but you can go with whatever you like as long as it outputs JSON) with a JS frontend (with React or Vue for example). These dependencies will be executed/solved the same way as normal dependencies. 2. Followed technique is production grade and by the end of this walkthrough, you should've a system ready to authenticate users. In short, it produces get_current_user will have a dependency with the same oauth2_scheme we created before. Using Depends and others¶ In WebSocket endpoints you can import from fastapi and use: Depends; Security; Cookie; Header; Path; Query; They work the same way as for other … Otherwise, I would like to use jwt dependency for authentication. Authentication means identifying a user. You do not need to do this using a class, but I chose to use … FastAPI Tutorial - User Guide Dependencies But because FastAPI is based on the Python standards, including Annotated, you can use this trick in your code. I want to use the JWT's users have when using the basic application to authenticate their request for the ML model. 0. Instead, I have to specify the dependency in all of my path operations. Pre-built login and registration pages: clean and fast authentication so you don't have to do it yourself. security import HTTPBasic, HTTPBasicCredentials from starlette. Examples are for text … This Python code sample demonstrates how to implement authorization in a FastAPI server using Auth0. I heard it can get me results fast, thats why I choose the framework. Wildcard domains such as *. io Some examples can be found here. Even though we offer some sample code, this package assumes you already have a way to generate and verify whatever you use, to authenticate your users. To allow any hostname either use allowed_hosts=["*"] or omit the middleware. You switched accounts on another tab or window. The main. Once done, you can verify that MongoDB is up and running, by connecting to the instance via the mongo shell command: $ mongo. Rewrite your has_access () in all the services to. They should be what they are claiming they are. Based on FastAPI-Amis-Admin and provides a freely extensible visual management interface. You can add middleware to FastAPI applications. Host and manage packages Security. In the previous post, we implemented a logic to create JWT tokens. Each section gradually builds on the previous ones, but it's structured to separate topics, so that you can go directly to any specific one to solve your specific API needs. How to set validation constraints as maximum_length or regex. context_getter. pip install python-multipart I will also replace … This Python code sample demonstrates how to implement Role-Based Access Control (RBAC) in a FastAPI server using Auth0. Let's see how to use them! Clone the repo for this tutorial here. The backend authentication is built using franke567's fastapi-users python package for FastAPI. getenv ('ACCESS_SERVICE_URL')) You are simply making a GET call without forwarding the credentials as headers for this request to the Access_Service. You signed in with another tab or window. v1 import route_user from apis. 🚀 Description. So you’re excited about FastAPI and you’ve been following the excellent documentation. The above code will obtain a token which contains access_token and id_token. It has its own flavor of OAuth2. Latest news about our products and team. It If your use case is just to serve a single user, and is not mission-critical, this might be a good way to start. Is it possible to authenticate using … from apis. allow access to a function/path with decorator like @login_required or FastAPI Dependecy injection. Step 2: create a FastAPI "instance" If you need a 2 minute refresher of how to use Python types (even if you don't use FastAPI), check the short tutorial: Python Types. We provide the BaseUserManager class which you should extend to set some parameters and define logic, for example when a user just registered or forgot its password. security import OAuth2PasswordBearer, OAuth2PasswordRequestForm from fastapi. 11. Or, for a more in-depth look at the FastAPI Users package, please check their … How to quickly make a python API with authentication? You could struggle with Flask or you could use FASTAPI - an open, self documenting, tutorial lead, concise framework. a admin): Keeps user info in its own fake db (file system). We'll use SQLAlchemy as ORM for Postgres DB and alembic as migration tool. FastAPI is a class that inherits directly from Starlette. Currently, I secure user details with firebase auth. Next, click on the gear icon on the newly-created inbox to display the credentials page. We're Hiring. It enables any FastAPI applications to authenticate with Azure AD to validate JWT tokens and API permissions. com in a simple and elegant way. I am building a simple api with a JSON file that contains some details. com. middleware ("http") async def request_middleware (request, call_next): # some operation if request. Later is the series we will implement registration, password recovery, and more. You add something like user: User = Depends(auth_function) to the path or function. To begin we have to setup our FastAPI app: from fastapi import FastAPI SECRET = 'your-secret … Sebastian Ramirez(Creator of FastAPI) has a great video that shows how you can add a basic auth to your app FastAPI - Basic HTTP Auth. … I haven't worked with FastAPI, but I took a look at the docs. Creating an endpoint to trigger Basic Authentication and return a cookie with an authentication header. Intuitive: Great editor support. Flask redirect from typing import Optional from pydantic import BaseModel, EmailStr class UserCreate (BaseModel): username: str email: EmailStr password: str class ShowUser (BaseModel): username: str email: EmailStr is_active: bool class Config (): orm_mode = True. security import OAuth2PasswordBearer from starlette import status # Use token based authentication oauth2_scheme = … result = httpx. Create a logout function to clear the cookie. Final app: Main dependencies: Vue v3. Add dependencies to the path operation decorator. For this simple example, we are going to just be … SQLAlchemy Beanie What now? Full example Here is a full working example with JWT authentication to help get you started. . Skip to main content. Nothing too fancy is happening here. lifetime_seconds (Optional[int]): The lifetime of the token in seconds. The same as we were doing before in the path operation directly, our new dependency get_current_user will receive a token as a str from the sub-dependency oauth2_scheme: Python 3. The user flow defines and controls the user experience. Thank you! ORMs¶. For exemple, if you use python requests library, here are the docs. 10+ non-Annotated … Based on FastAPI Users! Open-source: self-host it for free or use our hosted version. Run the example with: fast → uvicorn main:app --reload INFO: Uvicorn … In our case, as we are using "Bearer" tokens, the token type should be " bearer ". What is FastApi FastAPI is a modern, fast (high-performance) web framework for building APIs with … The information about the specific domain requested goes in the HTTP data. You write standard Python with types: Support for complex user authentication systems, database connections, etc. Integrating FastAPI with JWT Tokens. 2- on the second step you will need update that redirect endpoint to use … In this tutorial, we'll be building a login authentication using React and FastApi. Pre-requisites: Python 3; Google Authenticator app (or compatible other) installed on your phone. 45; Vue CLI v5. Basically, our web app users will send Based on FastAPI Users! Open-source: self-host it for free or use our hosted version; Bring your own database: host your database anywhere, we'll take care of the rest; Pre-built login and registration pages: clean and fast authentication so you don't have to do it yourself; Official Python client with built-in FastAPI integration; It's free! FastAPI-Users is a user registration and authentication system that makes adding user accounts to your This is basically just the example given by FastAPI-Users, condensed into one file, and minus a few things, including the code that creates the database table–we’ll be using Alembic to do that. Spoiler alert: the tutorial - user guide includes: Declaration of parameters from other different places as: headers, cookies, form fields and files. And it should have an access_token, with a string containing our access token. from fastapi import FastAPI from fastapi. ; However, I also want to use fastapi-users since it works nicely with MongoDB out of the box. 1; npm v8. An ORM has tools to convert ("map") between objects in code and database tables ("relations"). Security and authentication, including support for OAuth2 with JWT tokens The decorator @manager. I will point out a few areas of interest: settings: we create a settings object to store some settings information that will be accessed by different parts of our app. But easy integration with all of them. Use a strong passphrase and keep it secure. 88. OpenID (not "OpenID Connect") There was also … The easiest way to request an access token is to use the Python HTTPX library to call the Okta /token endpoint from your API. user_loader will use the function load_user to check whether the user exists in the DB. If you’re not already familiar with this, I … In this section, we’ll explore Flask and FastAPI. 9+ Python 3. It's designed to be easily extensible and customizable so that you can integrate your very own logic. Blog. It should also have access to the req-resp context. Step 1: Create and activate virtual environment and install FastAPI. Create plugins easily using dependency injection. Less time debugging. ; If an incoming request does not validate correctly then a 400 response will … As you can see, instantiation is quite simple. This tutorial shows you how to use FastAPI with most of its features, step by step. Visit the "Register APIs" document for more details. Can be set to None but in this case the token will be valid forever; … Python 3. In the left sidebar menu, click on "Applications". Để thêm form nhập token ở Swagger và check required token, FastAPi đã tích hợp sẵn lib tiện ích là HTTPBearer. In this video, I will show you how to implement authentication in your FastAPI apps. They are all based on the same concepts, but allow some extra functionalities. 8; Node v18. v1 import route_login from fastapi import APIRouter api_router = APIRouter() … Add quickly a registration and authentication system to your FastAPI project. x. OAuth2 will be the type of authentication I demonstrate because it's ver You can protect API endpoints with an API key like so: from fastapi import FastAPI, Body, Depends, HTTPException, status from fastapi. Go to Credentials and select Domain verification: Now click Add domain: Fill in the domain you have access to and click ADD DOMAIN. FastAPI is a modern, fast (high-performance), web framework for building APIs with Python, based on standard Python type hints. This article will provide a high-level overview of how to handle security within a FastAPI web service. This is the file that contains the data in the SQLite database. Sub-package for SQLModel support in FastAPI Users. Category. Get automatic Swagger UI support for the implicit scheme (along others), which means that signing in using social providers is only a few clicks away with no additional code. I would like to implement login/logout (Auth) behavior similar to Flask-login, i. py. motor_asyncio. Here is my code: from fastapi import ( Depends, FastAPI, HTTPException, status, Body, Request ) from fastapi. Features. set_current_user_context (request=request) return await call_next … 2. Below is a code snippet of a FastAPI implementation demonstration, The following sections will make reference to the code snippet above, make sure you understand this code Step5: Required header Token khi call API books. This tutorial is the second part of a FastAPI series that I am currently writing, def authenticate_user(fake_db: dict, username: str, password: str): user = get_user(fake_db, username) if not user: return False if not verify_password(password, user. Sign users in quickstart; Sample app; Integrate with Okta using the Okta-hosted Sign-In Widget . Can be executed FastAPI authentication with Microsoft Identity. Enjoy. python. Also if you still wanna use Pure FastAPI check this link FastAPI OAuth2PasswordRequestForm Authenticating FastAPI session via requests. com are supported for matching subdomains. pip install fastapi-auth0; Requirements It's worth to note that OAuthAccount is not a Beanie document but a Pydantic model that we'll embed inside the User document, through the oauth_accounts array. After users complete the user flow, Azure AD B2C generates a token and then redirects users back to your application. Related Guides. Create an extended class to check for an Authorization header or Cookie header. FastAPI has a great … """main. Now create a new project and give it a name (in this case FastAPI-OAuth2-Google): After creating the project, select the project: Check that you see that you have selected the project. Check these FastAPI performance tests. It comes with ORM, caching, and authentication. tiangolo. … See more First install python-multipart. I had exactly same issue in my application and came across a workaround/solution. Application and database will be containerized with docker. Table of Contents. Trong security. It was designed to build web applications using Python. The FastAPI documentation is detailed and easy-to-use. ; It can then do something to that … Open the APIs section of the Auth0 Dashboard. Initially, you will see a database with no records. For instance as in OAuth2 or Open ID Connect. No compromise with databases, frontends, etc. Step 1: Define a List of Valid API Keys. Start the API application, run uvicorn main:app --reload on the command line, where main refers to the Python filename and app refers to the API object created in Step 1. FastAPI People Python Types Intro Tutorial - User Guide Tutorial - User Guide First Steps Path Parameters Query Parameters Request Body The next sections assume you already read the main Tutorial - User Guide: Security. It provides a comprehensive base project in the form of a cookiecutter template that handles authentication, reverse proxies, docker containers, testing, server-side validation, linting, etc. By default, that would mean that you can only have one HTTPS certificate per IP address. example. Once installed, continue with the guide to run the mongod daemon process. Complete … UserManager. python-3. These SDKs help you integrate with Okta by redirecting to the Okta Sign-In Widget using OpenID Connect (OIDC) client libraries. import os import uvicorn from fastapi import FastAPI, Depends, HTTPException from fastapi. Reload to refresh your session. The Microsoft Identity library for Python's FastAPI provides Azure Active Directory token authentication and authorization through a set of convenience functions. tutorial Articles Podcast Tutorials Cheat Sheets. This tutorial will teach you how to create authentication in a FastAPI application using JSON Web Tokens. with a global client: motor. main. e. For a more in-depth tutorial and settings reference you should read the documentation. post ("/token", response_model=Token) async def login_for_access_token (form_data: OAuth2PasswordRequestForm = Depends ()): user … Integrate FastAPI with https://auth0. status import HTTP_401_UNAUTHORIZED app = FastAPI() security = … Give your endpoint a try: Expand the GET endpoint by clicking on it. It is an introduction into the implementation of … I am new to APIs and I need to be able to authenticate users using a GET request, in order to automate processes in airflow. py: # import lines and utilities omitted @app. Actually, the Fief server itself is implemented with FastAPI! The Fief Python client provides tools to help you integrate Fief authentication in your FastAPI project. The context_getter option allows you to provide a custom context object that can be used in your resolver. - Gi Skip to content Toggle navigation. 19. Once installed, you can click on Open Database and then select the . Sign up Product Actions. Completion everywhere. context_getter is a FastAPI dependency and can inject other dependencies if you so wish. Sources: Authlib-FastAPI-Google-Login. having multiple dependencies and if one of them passes, authentication passed). We'll also wire up token-based authentication. encoders import jsonable_encoder from fastapi. It takes each request that comes to your application. You signed out in another tab or window. get ("/fastapi", response_class=RedirectResponse, status_code=302) async def redirect_fastapi (): return f'/your_view/'. This article will teach you how to add JSON Web Token (JWT) authentication to your FastAPI app using PyMongo, Pydantic, FastAPI JWT Auth package, and Docker-compose. It accepts the following arguments: secret (Union[str, pydantic. FastAPI is a modern, production-ready, high-performance Python web framework built on top of Starlette and Pydantic to perform at … I am quite new to FastAPI. Technical Details. Our authentication logic will be relying on JWT tokens. Tutorial - User Guide. get ("/api/public") def … Header photo by Markus Spiske on Unsplash DISCLAIMER: This tutorial is not a production ready implementation. The part 2 of this tutorial explains how to create sub-applications with FastAPI. py, thêm reusable_oauth2 là instance của HTTPBearer. js and Go. You can use all the Starlette functionality with FastAPI too. This is a tl;dr intended to give you an idea of what this package does and how to use it. This automatically adds authentication in the swagger docs without any extra configurations. In simple words, it refers to the login functionality in our app. 12. ; active: If True, throw 401 Unauthorized if the … The recommended style with FastAPI seems to be to use Dependencies. About DataCamp. A very powerful and easy to use Dependency Injection system. This is authentication in the form of an arbitrary string with an arbitrary … FastAPI Examples - Using FastAPI with Piccolo. I'm trying to use fastapi to return some basic ML models to users. Then, click the "Create Application" button. , which extracts the access token for you. FastAPI-User-Auth is a simple and powerful FastAPI user RBAC authentication and authorization library. For Business. Speed: FastAPI is one of the fastest Python web frameworks. Step 2: Implement API Key Security Function. The dependencies will keep working as expected, and the best part is that the type information will be preserved, which means that your editor will be able to keep providing you with … MongoDB Setup. Click on the “Try It Out” button. Here is the structure of the In this tutorial we have covered one of the ways you can add user authentication to your FARM stack application. This code sample shows you … Facebook In this tutorial, you'll learn how to secure a FastAPI app by enabling authentication using JSON Web Tokens (JWTs). At some point, you’ll come to the section on security which … Caution: This is a middleware to plug in existing authentication. AsyncIOMotorClient object, or else; by creating one during the startup event per this SO answer which refers to this "Real World Example". Press the large “Execute” button. we will create signed JSON web tokens in … During the sign-up process, you create something called an Auth0 Tenant, representing the product or service to which you are adding authentication. Configure your FastAPI app. 1. It’s considered to be easy, fast, and scalable. We’ll discuss their pros, cons, and use cases. db file from the directory. Type hint your code and get free data validation and conversion. Explore the FastAPI framework and discover how you can use it to create APIs in Python. But their value (if they return any) won't be passed to your path operation function. And your FastAPI application with WebSockets will respond back: You can send (and receive) many messages: And all of them will use the same WebSocket connection. com/tutorial/security/simple-oauth2/… – Nicolas Rondon Feb 27, 2021 at 22:46 Aditional to @NicolasRondon comment, to use … For example, Google login uses OpenID Connect (which underneath uses OAuth2). Sử dụng reusable_oauth2 làm dependencies trong API books. In this tutorial we will learn how to add database backed user authentication to our FastAPI application. You need to store the token somewhere on client side and then send it in the header of every request. When users try to sign in to your app, the app starts an authentication request to the authorization endpoint via a user flow. Next, we define our endpoint called /auth/login if you recall correctly this is the same URL we … current_user¶. 😎. An id_token contains user info, we just need to parse it to get the login user's information. py code is originally from the FastAPI security tutorial. @app. We'll be using PyJWT to … First Steps Create a First API Run the First API App With Uvicorn Check the Response Check the Interactive API Documentation Check the Alternative Interactive API … Sebastian Ramirez(Creator of FastAPI) has a great video that shows how you can add a basic auth to your app FastAPI - Basic HTTP Auth. Automate any workflow Packages. There are two options at your disposal here: The following arguments are supported: allowed_hosts - A list of domain names that should be allowed as hostnames. Return a dependency callable to retrieve currently authenticated user, passing the following parameters: optional: If True, None is returned if there is no authenticated user or if it doesn't pass the other requirements. 10+ Python 3. security import OAuth2PasswordBearer api_keys = [ "akljnv13bvi2vfo0b0bw" ] # This is encrypted in the database oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token") # use token authentication def api_key_auth These resources walk you through adding user authentication to your Python Flask app in minutes. If you don't have MongoDB installed on your machine, refer to the Installation guide from the docs. 2. You can see the API response body (our “Hello, World!” message), as well as the curl command that FastAPI has run under the hood for you. Development Setup environment. This is a very basic example of how to create and validate the tokens, this is just for reference, and using this approach one can easily create JWT according to the need and use it accordingly while validation. Step 2: Setup FastAPI . This package enables our Add quickly a registration and authentication system to your FastAPI project. But Facebook login doesn't support OpenID Connect. How you put it in the header depends on the library you are using to perform HTTP requests. Short: … Intro. Documentation. gateway: Built on top of FastAPI, simple api gateway which its only duty is to make proper routing while also handling authentication and authorization; users (a. Would this be possible in FastAPI (i. E. 6+ Python 3. v1 import route_blog from apis. It provides easy out-of-the-box backend auth components. Click on the Create API button and fill out the "New API " form with the following values: Name. This is because OAuth2 uses "form data" for sending the username and password. With an ORM, you normally create a class that represents a table in a SQL database, each … FastAPI is one of the most popular Python web frameworks. The downside is … FastAPI-Login tries to provide similar functionality as Flask-Login does. And also with every response before returning it. py Python FastAPI Auth0 integration example """ from fastapi import FastAPI # Creates app instance app = FastAPI @app. Install I can use MongoDB with FastAPI either. Python FastAPI backend: Fast: Very high performance, on par with NodeJS and Go (thanks to Starlette and Pydantic). Along with the apps themselves, … Based on FastAPI Users! Open-source: self-host it for free or use our hosted version; Bring your own database: host your database anywhere, we'll take care of the rest; Pre-built login and registration pages: clean and fast authentication so you don't have to do it yourself; Official Python client with built-in FastAPI integration; It's free! May 5, 2023 9 Comments 64. You have the following source code provided there: from fastapi import Depends, FastAPI, HTTPException from fastapi. The UserManager class is the core logic of FastAPI Users. Press the smaller “Execute” button that appears. The HTTPS certificates "certify" a certain domain, but the protocol and encryption happen at the TCP level, before knowing which domain is being dealt with. A common pattern is to use an "ORM": an "object-relational mapping" library. The path operation decorator receives an optional argument dependencies. Bring your own database: host your database anywhere, we'll take care of the rest. Step 3: Secure the Routes. Find and fix … Step 1: Navigate to Mailtrap and provide your credentials to create a new account. A "middleware" is a function that works with every request before it is processed by any specific path operation. Only gateway can access internal microservices through the internal network (users, orders) Services. In this guide we'll build a JWT authentication system with FastAPI. Include swagger_ui_oauth2_redirect_url and FastAPI Tutorial - User Guide FastAPI is a Python class that provides all the functionality for your API. Clone this github repo that contains the code for this tutorial. Official Python client with built-in FastAPI integration. Installation $ pip install fastapi-login Usage. Install this library: pip install fastapi-azure-auth # or poetry add fastapi-azure-auth. responses import RedirectResponse app = FastAPI () @app. FastAPI has a great documentation about, oauth2-jwt: For some real world example, fastapi-users has a perfect JWT authentication backend.