The Modern Guide to OAuth 2.0: Beyond the Specs

This isn't just another OAuth 2.0 guide; it's a deep dive into real-world OAuth usage based on the experience of building FusionAuth, an OAuth server with over a million downloads. The guide details eight common OAuth modes, including local login, third-party login, enterprise login, service authorization, and machine-to-machine authentication, explaining each mode's workflow and security considerations. It also delves into the authorization code grant, PKCE, JWTs, token refresh, and user info retrieval, offering practical implementation advice.
Read more