OAuth2 / OIDC Auth Flow

OAuth2 Authorization Code flow with OIDC: user authenticates with Authorization Server, grants consent, receives an auth code redirected to the client app, which exchanges it for access and refresh tokens to call the Resource Server API and UserInfo endpoint.

general · flowchart diagram.

About This Architecture

OAuth2 Authorization Code flow with OIDC: user authenticates with Authorization Server, grants consent, receives an auth code redirected to the client app, which exchanges it for access and refresh tokens to call the Resource Server API and UserInfo endpoint.

OAuth2 / OIDC Auth Flow

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Created by

February 8, 2026

Updated

March 23, 2026 at 10:14 PM

Type

flowchart

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OAuth2 / OIDC Auth Flow — Flowchart Diagram | Diagrams.so