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

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! 🚀
How to import this n8n workflow
- 1
Download the workflow JSON file after purchase.
- 2
Open n8n → click the menu → Import from File.
- 3
Select the downloaded JSON and import.
- 4
Set up credentials for each node that requires them.
- 5
Click Execute Workflow to test, then activate.
Setup guide
Setup guide included
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- JSON blueprint — instant download
- Setup guide PDF included
- 5 downloads · valid 30 days
- Works with n8n
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