> ## Documentation Index
> Fetch the complete documentation index at: https://developers.telnyx.com/llms.txt
> Use this file to discover all available pages before exploring further.

# RCS llms.txt

> Machine-readable documentation index for RCS (Messaging) — guide pages and API endpoints for AI agents and LLMs

# Telnyx Messaging: RCS — Documentation Index

> RCS documentation within the Messaging section of the Telnyx developer docs ([https://developers.telnyx.com](https://developers.telnyx.com)).
> Root index: [https://developers.telnyx.com/llms.txt](https://developers.telnyx.com/llms.txt) · Messaging index: [https://developers.telnyx.com/development/llms/messaging-llms-txt.md](https://developers.telnyx.com/development/llms/messaging-llms-txt.md) · Full content for this subsection: [https://developers.telnyx.com/development/llms/messaging-rcs-llms-full-txt.md](https://developers.telnyx.com/development/llms/messaging-rcs-llms-full-txt.md)

## 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.