AI Telegram bot: voice, image & document support

# AI Telegram support bot: processes voice, images, and docs using your knowledge files

This automation enables intelligent, document-aware customer support in Telegram by processing multi-modal inputs—text, voice, images, and documents—and generating context-rich responses using RAG and a LangChain agent. Built on n8n, it allows businesses to automate complex queries without coding, leveraging existing files as a knowledge base.

## Who it´s for
- Business owners seeking to automate Telegram customer support
- Support teams relying on documentation as a knowledge source
- Companies receiving diverse message types (images, voice, files)
- Developers implementing RAG systems without writing code
- SaaS products with messenger integrations

## What the automation does
- Receives all message types from Telegram: text, voice notes, photos, PDFs, Excel, Word
- Converts non-text inputs into text via ConvertAPI, OpenAI, and Cohere
- Enriches context using vector search in Supabase (RAG)
- Generates intelligent responses via a LangChain agent powered by OpenAI
- Stores chat history in PostgreSQL for contextual continuity
- Allows manual updates to the knowledge base via Google Drive document import

## What´s included
- Ready-to-use n8n workflow
- Trigger and handler logic for all input types
- Integrations with Telegram, Supabase, Postgres, OpenAI, ConvertAPI, Cohere, and Google Drive
- Basic setup and adaptation guide

## Requirements for setup
- n8n instance with external API access
- Accounts: Telegram Bot, Supabase, OpenAI, Cohere, Google Drive
- PostgreSQL database for chat history storage
- ConvertAPI access for document conversion
- Knowledge documents (PDF, XLSX, DOCX) to populate the vector store

## Benefits and outcomes
- Full automation of multi-modal request handling
- Accurate responses grounded in your uploaded documents
- Supports advanced use cases: price list image parsing, voice query analysis, table-based responses
- Reduces workload on human support agents
- Easy knowledge base updates without coding
- Scalable, no-code solution on a powerful automation platform

## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via chat