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Multilingual voice & text Telegram bot with ElevenLabs TTS and LangChain agents

n8nn8n15 modulesv1.0
OpenAITelegramGeminiElevenLabs

This workflow contains community nodes that are only compatible with the self-hosted version of n8n. Telegram Voice AI Assistant This n8n template creates a multimodal Telegram bot that dynamically responds to users: - Replies with voice when receiving voice messages (using ElevenLabs TTS) - Replies with text for text-based queries - Supports custom AI tools (e.g., crypto APIs, databases, or custom functions) Built with LangChain Agents, it can integrate any externa

At a glance

Multilingual voice & text Telegram bot with ElevenLabs TTS and LangChain agents is a ready-made n8n workflow you import as a workflow JSON file — no build required. It connects OpenAI, Telegram, Gemini, ElevenLabs. It's free to download. Follow the 5-step import below to go live in minutes.

Platform
n8n
Connects
OpenAI, Telegram, Gemini, ElevenLabs
Modules
15
Price
Free
Version
v1.0
Multilingual voice & text Telegram bot with ElevenLabs TTS and LangChain agents workflow diagram

About this workflow

This workflow contains community nodes that are only compatible with the self-hosted version of n8n. Telegram Voice AI Assistant This n8n template creates a multimodal Telegram bot that dynamically responds to users: - Replies with voice when receiving voice messages (using ElevenLabs TTS) - Replies with text for text-based queries - Supports custom AI tools (e.g., crypto APIs, databases, or custom functions) Built with LangChain Agents, it can integrate any external API or data source into conversations. Key Features 🎙️ Smart Response Logic - Voice Query? → Voice Reply 1. Transcribes audio via ElevenLabs STT 2. Processes with AI (Groq/Gemini) 3. Converts text response to natural speech (ElevenLabs TTS) - Text Query? → Text Reply Bypasses TTS/STT for faster responses 🛠️ Extensible AI Tools Add your own tools: - Database lookups - Weather/stock APIs - Custom Python functions - RAG (document retrieval) Supports multi-step tool chaining (e.g., "Get BTC price → analyze trends → summarize") 🌐 Language & Context - Auto-detects user language (via Telegram’s languagecode) - Maintains session memory (remembers conversation history) Use Cases - Voice-first customer support - Crypto/analytics assistants (e.g., "What’s Ethereum’s current gas fee?") - Multilingual FAQ bots - Educational tutors (voice-interactive learning) Requirements - Telegram Bot Token - ElevenLabs API Key (For TTS/STT) - Groq API Key or Google Gemini API Key Customization Tips - Change AI personality: Modify the systemMessage in the Voice Assistant node - Add more models: Swap Groq/Gemini for OpenAI, Anthropic, etc. - Extend functionality: Add RAG (Retrieval-Augmented Generation) for document queries Take this template to create a Siri-like AI assistant for Telegram in minutes! 🚀

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How to import this n8n workflow

  1. 1

    Download the workflow JSON file after purchase.

  2. 2

    Open n8n → click the menu → Import from File.

  3. 3

    Select the downloaded JSON and import.

  4. 4

    Set up credentials for each node that requires them.

  5. 5

    Click Execute Workflow to test, then activate.

Setup guide

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