token expiry

**Token Expiry**

Token expiry refers to the predefined time limit after which a security token becomes invalid. In web applications and APIs, tokens are used to authenticate users or grant access to resources. Setting an expiration time for tokens helps enhance security by limiting the window in which stolen or intercepted tokens can be used maliciously. Understanding token expiry is crucial for managing session lifecycles, maintaining secure authentication flows, and ensuring that users regularly re-validate their identity. This tag covers topics related to token expiration mechanisms, best practices, and troubleshooting token lifetime issues.