Long-Lived Tokens
Long-lived tokens are authentication tokens with extended expiration times, typically used in scenarios where frequent re-authentication is impractical or undesirable. They provide persistent access to APIs, services, or resources without requiring users to repeatedly log in, often lasting from days to years depending on the implementation. This concept is commonly applied in OAuth 2.0 refresh tokens, API keys, and session tokens for long-running applications.
Developers should use long-lived tokens when building applications that require uninterrupted access over extended periods, such as background services, IoT devices, or automated scripts where user interaction is minimal. They are essential for reducing authentication overhead in scenarios like server-to-server communication, batch processing jobs, or mobile apps that need to maintain user sessions across app restarts, but must be implemented with strong security measures like encryption and secure storage to mitigate risks of token theft.