- [### SAS Portal API overview
  Find information to help manage CBSD resources.](https://docs.cloud.google.com/spectrum-access-system/docs/overview-api)
- [### REST reference
  View the REST SAS API reference for SAS API.](https://docs.cloud.google.com/spectrum-access-system/docs/reference/rest)
- [### RPC reference
  View the RPC SAS API reference for SAS API.](https://docs.cloud.google.com/spectrum-access-system/docs/reference/rpc)