OAuth 2.0 Explained: A Complete Guide to Flows, Tokens, and Modern Authorization

OAuth 2.0 is the industry-standard authorization framework that lets applications access APIs and user data without handling passwords. In this guide, we break down how OAuth 2.0 works, core flows and grant types, security pitfalls to avoid, and how to implement OAuth 2.0 using LoginRadius across web apps, SPAs, mobile apps, and machine-to-machine APIs.
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Kundan SinghFirst published: 2025-03-27Last updated: 2025-11-24
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