Implementing OAuth and API Key Authentication with Python | CodeSignal Learn

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intermediate

Implementing OAuth and API Key Authentication with Python

Security & Governance

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3 courses

31 practices

5 hours

Learn to implement secure OAuth 2.0 and API key authentication in Python/FastAPI. Build real-world login flows, defend against common vulnerabilities, and integrate robust authentication for modern applications.

104 learners

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Verified skills you'll gain

INTERMEDIATE

API and Web Services Security

INTERMEDIATE

Secure Coding Practices and Code Review

Tools you'll use

FastAPI

Python

Course 1

OAuth Fundamentals & Mock Implementation

5 lessons

12 practices

Learn OAuth 2.0 authentication by building and securing mock Google and GitHub OAuth flows in Python/FastAPI. Explore key OAuth concepts, common vulnerabilities, and best practices for integrating OAuth into your application.

Course 2

OAuth Advanced Features & Integration

3 lessons

9 practices

Advance your OAuth skills by implementing account linking, user management, and robust error handling. Build secure, production-ready OAuth features and defend against advanced attack vectors using mock providers in Python/FastAPI.

Course 3

API Key Authentication & Security

3 lessons

10 practices

This course covers implementing basic API key authentication alongside your existing OAuth system. You will learn to generate API keys, authenticate requests, and manage key security. The course follows an offense-defense approach, demonstrating simple API key vulnerabilities before implementing secure solutions.

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