# Realtime Media Iot

> Machine-readable Agora documentation pages in this section.

## Documentation

- [Build from scratch](https://docs.agora.io/en/realtime-media/iot/build-from-scratch.md)
- [Secure authentication with tokens](https://docs.agora.io/en/realtime-media/iot/build/authenticate-and-secure-channels/authentication-workflow.md)
- [Implement licensing](https://docs.agora.io/en/realtime-media/iot/build/authenticate-and-secure-channels/license.md)
- [Secure channel encryption](https://docs.agora.io/en/realtime-media/iot/build/authenticate-and-secure-channels/media-stream-encryption.md)
- [Identify users with String UID](https://docs.agora.io/en/realtime-media/iot/build/authenticate-and-secure-channels/string-uid.md)
- [Configure the audio codec](https://docs.agora.io/en/realtime-media/iot/build/configure-media/audio-codec.md)
- [Send and receive key frames](https://docs.agora.io/en/realtime-media/iot/build/configure-media/key-frame.md)
- [Adapt the sending bitrate](https://docs.agora.io/en/realtime-media/iot/build/manage-connections-and-quality/bitrate-adaptation.md)
- [Connect with Cloud Proxy](https://docs.agora.io/en/realtime-media/iot/build/manage-connections-and-quality/cloud-proxy.md)
- [Manage connections](https://docs.agora.io/en/realtime-media/iot/build/manage-connections-and-quality/connection-management.md)
- [Restrict media zones](https://docs.agora.io/en/realtime-media/iot/build/manage-connections-and-quality/geofencing.md)
- [Implement multi-streaming](https://docs.agora.io/en/realtime-media/iot/build/manage-connections-and-quality/multi-channel-streaming.md)
- [Manage stream state](https://docs.agora.io/en/realtime-media/iot/build/manage-connections-and-quality/stream-state.md)
- [Send and receive data streams](https://docs.agora.io/en/realtime-media/iot/build/send-messages/data-streams.md)
- [Communicate with RTC SDK](https://docs.agora.io/en/realtime-media/iot/build/send-messages/interoperate-with-rtc-sdk.md)
- [Send messages through the RDT channel](https://docs.agora.io/en/realtime-media/iot/build/send-messages/rdt-messaging.md)
- [IoT SDK overview](https://docs.agora.io/en/realtime-media/iot/product-overview.md)
- [SDK quickstart](https://docs.agora.io/en/realtime-media/iot/quickstart.md)
- [Agora Console REST API](https://docs.agora.io/en/realtime-media/iot/reference/agora-console-rest-api.md)
- [Billing Policies](https://docs.agora.io/en/realtime-media/iot/reference/billing-policies.md)
- [Channel Management REST API](https://docs.agora.io/en/realtime-media/iot/reference/channel-management-rest-api.md)
- [Core Concepts](https://docs.agora.io/en/realtime-media/iot/reference/core-concepts.md)
- [Error codes](https://docs.agora.io/en/realtime-media/iot/reference/error-codes.md)
- [Firewall](https://docs.agora.io/en/realtime-media/iot/reference/firewall.md)
- [Glossary](https://docs.agora.io/en/realtime-media/iot/reference/glossary.md)
- [Pricing](https://docs.agora.io/en/realtime-media/iot/reference/pricing.md)
- [Release notes](https://docs.agora.io/en/realtime-media/iot/reference/release-notes.md)
- [Resources](https://docs.agora.io/en/realtime-media/iot/reference/resources.md)
- [Security](https://docs.agora.io/en/realtime-media/iot/reference/security.md)
- [Supported platforms](https://docs.agora.io/en/realtime-media/iot/reference/supported-platforms.md)