# Platform Reference

- [Introduction](/platform-reference-1/platform-reference.md): The entire in-depth documentation of the Mitter.io platform
- [Concepts](/platform-reference-1/concepts.md): Core concepts of the mitter platform
- [Authorization and Access](/platform-reference-1/authorization-and-access.md): Accessing mitter APIs
- [Calling the APIs](/platform-reference-1/calling-the-apis.md)
- [Users](/platform-reference-1/users.md)
- [Channels](/platform-reference-1/channels.md)
- [Channel Streams and Typing Indicators](/platform-reference-1/channels/channel-streams-and-typing-indicators.md)
- [Messages](/platform-reference-1/messages.md)
- [Delivery Endpoints (Push Notifications)](/platform-reference-1/delivery-endpoints.md)
- [Federated Authentication](/platform-reference-1/federated-authentication.md)
- [Basic Permissions and Privileges](/platform-reference-1/basic-permissions-and-privileges.md)
- [ACLs and Advanced Permission Model](/platform-reference-1/acls-and-advanced-permission-model.md)
- [Metadata](/platform-reference-1/metadata.md): The Metadata reference