OAuth

Lesson in the Backend Developer Roadmap · Stage 7: Learn about APIs

Last updated 14 September 2026

What is OAuth?

OAuth is an open authorization standard allowing third-party applications to access user resources without exposing credentials. Uses access tokens issued after user permission, involving the resource owner, the resource server, and the authorization server. Enables secure token-based access management for services.

Study this in the interactive course See the whole Backend roadmap

Free resources to learn OAuth

ArticleOkta - What the Heck is OAuth
ArticleDigitalOcean - An Introduction to OAuth 2
VideoOAuth 2 Explained In Simple Terms

OAuth: common questions

Can I learn OAuth in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain OAuth in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this OAuth tutorial for beginners?

It is lesson 43 of 155 in the free Backend roadmap, in stage 7, Learn about APIs. If you are new to Backend, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.