> For the complete documentation index, see [llms.txt](https://docs.mitter.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mitter.io/platform-reference-1.md).

# Platform Reference

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