# Session

- [Delivery](/docs/navixy-api/user-api/backend-api/resources/commons/user/session/delivery.md): Calls to work with "delivery" type sessions. Those are special sessions to integrate order (task) tracking functionality into external systems.
- [User session](/docs/navixy-api/user-api/backend-api/resources/commons/user/session/index.md): Contains a call to prolong user session.
- [Push token](/docs/navixy-api/user-api/backend-api/resources/commons/user/session/push_token.md): Contains API calls to interact with push token.