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OpenID Connect cheat sheet & developer notes

OpenID Connect cheat sheet and 2 curated developer notes — core concepts, patterns, and interview prep. Maintained by the DevRecall team.

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01 · OpenID Connect

ID Tokens, Claims & OAuth2's Missing Piece

ID Tokens, Claims & OAuth2's Missing Piece. Authentication on Top of Authorization. OpenID Connect (OIDC) is an identity layer built on top of OAuth 2.0. OAuth2 alone only handles delegated authorization (granting access…

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02 · OpenID Connect

Flows, PKCE & OIDC vs. SAML

Flows, PKCE & OIDC vs. SAML. Authorization Code Flow. The recommended flow for most apps: the client receives a short-lived authorization code via browser redirect, then exchanges it for tokens in a direct back-channel r…

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Advanced Types (Generics & Utility Types)

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