# Session API Development Tools / Session ## Create a temporary user session - [GET /create_user_session](https://api.docs.cpanel.net/specifications/whm.openapi/session/create_user_session.md): This function creates a new temporary user session for a specified service. This allows users with WHM access to log in to third-party applications (for example, billing systems) without storing the account password. * The system destroys the temporary session after 15 minutes of inactivity. * For more information about the Single Sign On feature, read our Guide to API Authentication documentation.