Telegram bot for receipt processing with OCR, AI, and G

This automation template enables users to automatically process receipts—text-based or image uploads—via Telegram. The system uses OCR and a LangChain-powered AI agent (Mistral Cloud) to extract and structure purchase data, then sends a summary back to the user and stores the information in Google Sheets and Google Drive. Ideal for individuals and teams who want to track expenses directly from a chat interface.

## Who it´s for
- Freelancers tracking personal or business expenses via Telegram
- Small businesses collecting employee receipts for reporting
- Personal finance managers monitoring spending through receipts
- Remote teams centralizing travel or operational expense reporting

## What the automation does
- Receives messages in Telegram: text receipts or images
- Detects content type and applies OCR (Tesseract.js or external API) to extract text from images
- Sends extracted data to a LangChain AI agent powered by Mistral Cloud for parsing (store, amount, date)
- Returns a structured summary to the user in Telegram
- Logs structured expense data into Google Sheets for analytics
- Saves the original receipt file to a designated Google Drive folder

## What´s included
- Ready-to-use n8n workflow
- Trigger logic for new Telegram messages
- Integrations with Telegram, Google Sheets, Google Drive, and Mistral Cloud API
- Basic written guide for setup and adaptation

## Requirements for setup
- Active n8n instance with workflow editing access
- Telegram bot token
- Google account with enabled Google Sheets and Google Drive APIs
- Mistral Cloud API key
- Access to Tesseract.js if using local OCR

## Benefits and outcomes
- Saves time on manual receipt data entry
- Centralized expense logging in Google Sheets
- AI-powered categorization of spending
- Streamlined reporting for accounting or self-tracking
- Scalable across multiple users or team members
- Reliable receipt archiving in Google Drive

## 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 Telegram: @gleb923.