Automatically extract invoice data and save to spreadsheet

How it works

1. 1.Receive invoices attached to Gmail messages in real-time
2. 2.Send invoice content to OpenAI for intelligent analysis and extraction
3. 3.Parse and structure the extracted invoice data into organized fields
4. 4.Record the extracted information directly into Google Sheets

Use cases

• Automate invoice processing to reduce manual entry time and human error
• Maintain a centralized, searchable database of all invoices and expenses
• Enable instant visibility into spending patterns across multiple vendors

Requirements

• Active OpenAI account with valid API credentials
• Gmail inbox connected to n8n with proper authentication
• Google Sheets document configured to receive extracted data
• Invoices in PDF, image, or text format in email attachments

Service Value

Ideal as a smart automation service combining integrations and AI to produce ready-to-use results.