AI-powered invoice extractor via Telegram to Airtable

📄 Description

This workflow automates the extraction of structured invoice data from PDF files sent via Telegram and stores it in Airtable. It leverages GPT-4o for intelligent parsing and includes conversational memory for a seamless user experience. Designed for businesses and freelancers who receive invoices digitally and want to streamline their record-keeping.

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⚙️ How It Works

1. Telegram Trigger – Listens for incoming messages and PDF attachments. 2. Switch Node – Filters messages to ensure only PDFs are processed. 3. Extract from File – Parses the PDF content for text extraction. 4. Edit Fields – Prepares the extracted data for AI processing. 5. AI Agent (GPT-4o) – Orchestrates the workflow, prompts the user for missing info, and extracts structured data. 6. Simple Memory – Maintains conversational context across sessions. 7. Create Invoice (Airtable Tool) – Creates a new invoice record in Airtable. 8. Create Line Item (Airtable Tool) – Adds individual line items linked to the invoice. 9. Telegram Response – Sends confirmation back to the user.

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🔐 Required Credentials

To run this workflow successfully, you’ll need: