## REST \& RPC API Reference

- [### REST reference
  Reference documentation for the Admin API REST API.](https://docs.cloud.google.com/appengine/docs/admin-api/reference/rest)
- [### RPC API reference
  Reference documentation for the Admin API RPC API.](https://docs.cloud.google.com/appengine/docs/admin-api/reference/rpc)
- [### OAuth 2.0 Playground and APIs Explorer
  Try out the Admin API before you create credentials and code your
  apps.](https://docs.cloud.google.com/appengine/docs/admin-api/trying-the-api)
- [### Client Libraries
  Build your own client libraries or learn how to use Google API client libraries.](https://docs.cloud.google.com/appengine/docs/admin-api/client-libraries)