🔐 OIDC Authorization Code Flow — Step-by-Step Guide
Introduction OpenID Connect (OIDC) is a modern authentication protocol built on top of OAuth 2.0. It enables secure identity verification and user information exchange between a Client (Application) and an Identity Provider (IdP). OIDC is widely used in web and mobile apps to support Single Sign-On (SSO), especially with providers like Google, Microsoft, Okta, and