OpenID

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

Last updated 14 September 2026

What is OpenID?

OpenID is an open standard for decentralized authentication enabling single sign-on across multiple websites using one set of credentials managed by an identity provider. Often works with OAuth 2.0 for authorization, enhancing user convenience and streamlining identity management.

Study this in the interactive course See the whole Backend roadmap

Free resources to learn OpenID

Official docsOpenID Website
ArticleOpenID Connect Protocol
VideoAn Illustrated Guide to OAuth and OpenID Connect
VideoOAuth 2.0 and OpenID Connect (in plain English)

OpenID: common questions

Can I learn OpenID 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 OpenID 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 OpenID tutorial for beginners?

It is lesson 47 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.