Automate Invoice Data to Excel via Telegram AI + OCR

Transform Invoice Processing with AI-Powered Telegram Automation

Stop wasting hours manually entering invoice data into spreadsheets. This powerful n8n workflow automatically extracts structured data from invoices sent via Telegram using OCR and Google Gemini AI, then saves everything directly to Excel or Google Sheets.

What This Workflow Does

This intelligent automation streamlines your entire invoice processing pipeline:

• Receives invoices (PDF or image) through your Telegram bot
• Automatically detects file type and extracts text using OCR technology
• Processes PDFs with direct text extraction and OCR fallback for scanned documents
• Leverages Google Gemini AI to convert raw text into structured JSON data
• Validates and formats extracted information (invoice number, date, vendor, total, tax, items)
• Saves clean data directly to Microsoft Excel or Google Sheets
• Sends confirmation messages back through Telegram

Perfect Use Cases

• Small businesses: Process supplier invoices instantly without manual data entry
• Accounting teams: Automate invoice digitization for faster bookkeeping workflows
• Remote teams: Enable field staff to submit invoices via mobile Telegram for instant processing
• E-commerce operations: Streamline vendor invoice management and expense tracking

Technical Details

Built with essential n8n nodes including Telegram integration, conditional logic (if/switch nodes), data processing (set/code nodes), OCR capabilities, and Google Gemini AI integration. The workflow intelligently handles both PDF text extraction and image OCR processing, ensuring reliable data capture from any invoice format.

Setup requires a Telegram Bot Token, Google Gemini API key, and connected Excel/Google Sheets account. The workflow includes comprehensive validation and error handling to ensure data accuracy and reliable automation performance.

Transform your invoice processing from hours of manual work into seconds of automated intelligence. Perfect for n8n users seeking practical AI-powered business automation solutions.