> ## 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.

# Server-side SDKs llms.txt

> Machine-readable documentation index for Server-side SDKs (Development) — guide pages and API endpoints for AI agents and LLMs

# Telnyx Development: Server-side SDKs — Documentation Index

> Server-side SDKs documentation within the Development 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) · Development index: [https://developers.telnyx.com/development/llms-txt.md](https://developers.telnyx.com/development/llms-txt.md) · Full content for this subsection: [https://developers.telnyx.com/development/llms/development-server-side-sdks-llms-full-txt.md](https://developers.telnyx.com/development/llms/development-server-side-sdks-llms-full-txt.md)

* [Node.js](https://developers.telnyx.com/development/sdk/node.md): The official Telnyx Node.js SDK for server-side applications, covering messaging, voice, numbers, WebRTC, and the rest of the Telnyx REST API surface.
* [Python](https://developers.telnyx.com/development/sdk/python.md): The official Telnyx Python SDK for server-side applications, covering messaging, voice, numbers, WebRTC, and the rest of the Telnyx REST API surface.
* [PHP](https://developers.telnyx.com/development/sdk/php.md): The official Telnyx PHP SDK for server-side applications, covering messaging, voice, numbers, WebRTC, and the rest of the Telnyx REST API surface.
* [Java](https://developers.telnyx.com/development/sdk/java.md): The official Telnyx Java SDK for server-side applications, covering messaging, voice, numbers, WebRTC, and the rest of the Telnyx REST API surface.
* [Ruby](https://developers.telnyx.com/development/sdk/ruby.md): The official Telnyx Ruby SDK for server-side applications, covering messaging, voice, numbers, WebRTC, and the rest of the Telnyx REST API surface.
* [Go](https://developers.telnyx.com/development/sdk/golang.md): The official Telnyx Go SDK for server-side applications, covering messaging, voice, numbers, WebRTC, and the rest of the Telnyx REST API surface.