Refresh Tokens

Token revocation is a critical security feature in OAuth 2.0 that allows clients or authorization servers to invalidate access or refresh tokens before their natural expiration. This capability enhances control over user sessions and reduces risks in compromised environments. What Is Token Revocation? Token revocation is the process by which an access or refresh token is deliberately invalidated, rendering it unusable for further API access or token renewal. Unlike token expiration, revocation is immediate and intentional. ...

OAuth 2.1 introduces refinements to enhance the security and usability of OAuth flows, especially around refresh tokens. Understanding how refresh tokens work in OAuth 2.1, their lifecycle, and best practices is essential for developers and security architects aiming to build robust authentication systems. What Are Refresh Tokens? Refresh tokens are long-lived credentials issued by the authorization server alongside access tokens. Their purpose is to obtain new access tokens without requiring the user to re-authenticate, enabling seamless user sessions. ...