# RAN simulator APIs RAN simulator gRPC APIs are defined in [onos-api][onos-api] that are listed as follows: * **Model API**: provides means to create, delete and read RAN simulation model such as E2 nodes and cells. * **Metrics API**: provides means to create, delete, and read metrics for the specified entity ( e.g. A node, a cell, or a UE) * **Traffic Sim API**: provides means to create, list, and monitor UEs. [onos-api]: https://github.com/onosproject/onos-api/