PDF invoice data extraction & tracking with Google Drive, Claude AI & Telegram

📥 Invoice Intake & Notification Workflow

This automated n8n workflow monitors a Google Drive folder for newly uploaded invoice PDFs, extracts essential information (like client name, invoice number, amount, due date), logs the data into a Google Sheet for recordkeeping, and sends a formatted Telegram message to notify the billing team.

For step-by-step video build of workflows like this: https://www.youtube.com/@automatewithmarc

✅ What This Workflow Does 🕵️ Watches a Google Drive folder for new invoice files 📄 Extracts data from PDF invoices using AI (LangChain Information Extractor) 📊 Appends extracted data into a structured Google Sheet 💬 Notifies the billing team via Telegram with invoice details 🤖 Optionally uses Claude Sonnet AI model to format human-friendly summaries

⚙️ How It Works – Step-by-Step Trigger: Workflow starts when a new PDF invoice is added to a specific Google Drive folder.

Download & Parse: The file is downloaded and its content extracted.

Data Extraction: AI-powered extractor pulls invoice details (invoice number, client, date, amount, etc.).

Log to Google Sheets: All extracted data is appended to a predefined Google Sheet.