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Sequence Diagram Updated 7/12/2026

OAuth2 Authorization Code Flow

Sequence diagram of the OAuth 2.0 Authorization Code Flow, showing how the user, browser, client app, and authorization server interact during sign-in and code exchange.

oauth2authorization code flowsequence diagramauthenticationauthorization server
4 nodes 10 connections

How can I use this sequence diagram?

Download the OAuth2 Authorization Code Flow as a PNG or SVG, or open it in the studio to edit your own copy. To draw a similar sequence diagram from a description, use the sequence diagram generator; for notation and a step-by-step walkthrough, read how to make a sequence diagram; and browse more sequence diagram examples for related layouts.

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Sequence diagram of a user login flow between the login page, auth server, user database, and session store. It outlines how credentials are submitted, verified, and turned into an authenticated session.

sequence diagramlogin flowauthenticationuser sessionauth server

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