# Telnyx Messaging: RCS — Documentation Index
> RCS documentation within the Messaging section of the Telnyx developer docs (https://developers.telnyx.com).
> Root index: https://developers.telnyx.com/llms.txt · Messaging index: https://telnyx-openapi-ng.s3.us-east-1.amazonaws.com/llms/messaging.txt · Full content for this subsection: https://telnyx-openapi-ng.s3.us-east-1.amazonaws.com/llms/messaging/rcs-full.txt

## Getting Started

- [RCS Getting Started](https://developers.telnyx.com/docs/messaging/messages/rcs-getting-started.md): Get started with Rich Communication Services (RCS) messaging on Telnyx, including agent registration, sending rich cards, suggested actions, and media.
- [RCS with AI Assistant](https://developers.telnyx.com/docs/messaging/messages/rcs-ai-assistant.md): Build an intelligent RCS agent powered by Telnyx AI Assistant—no custom backend required.

## Sending Messages

- [Send RCS Messages](https://developers.telnyx.com/docs/messaging/messages/send-an-rcs-message.md): Send rich RCS messages with text, rich cards, carousels, and suggested actions using the Telnyx RCS API. Includes SDK examples and SMS fallback.
- [Capabilities & Deeplinks](https://developers.telnyx.com/docs/messaging/messages/rcs-capabilities.md): Query device RCS capabilities before sending and generate deeplinks to start RCS conversations from websites or QR codes.
- [RCS Deeplinks](https://developers.telnyx.com/docs/messaging/messages/rcs-deeplinks.md): Generate RCS deeplinks to start conversations from websites, QR codes, and email campaigns.

## Receiving Messages

- [RCS Webhooks](https://developers.telnyx.com/docs/messaging/messages/receiving-rcs-webhooks.md): Receive RCS webhooks from Telnyx — delivery receipts, inbound messages, read receipts, suggestion responses — with payload structure and SDK examples.

## API Reference (RCS)

### RCS

- [Send an RCS message](https://developers.telnyx.com/api-reference/rcs/send-an-rcs-message.md)
- [List all RCS agents](https://developers.telnyx.com/api-reference/rcs/list-all-rcs-agents.md)
- [Retrieve an RCS agent](https://developers.telnyx.com/api-reference/rcs/retrieve-an-rcs-agent.md)
- [Modify an RCS agent](https://developers.telnyx.com/api-reference/rcs/modify-an-rcs-agent.md)
- [Check RCS capabilities (batch)](https://developers.telnyx.com/api-reference/rcs/check-rcs-capabilities-batch.md)
- [Check RCS capabilities](https://developers.telnyx.com/api-reference/rcs/check-rcs-capabilities.md)
- [Add RCS test number](https://developers.telnyx.com/api-reference/rcs/add-rcs-test-number.md): Adds a test phone number to an RCS agent for testing purposes.
- [Generate RCS deeplink](https://developers.telnyx.com/api-reference/rcs/generate-rcs-deeplink.md): Generate a deeplink URL that can be used to start an RCS conversation with a specific agent.