AI Invoice Processing & Accounts Payable Automation

AI-powered invoice processing workflow built using n8n, OpenAI, Google Sheets, and Gmail.

Features

• PDF Invoice Upload
• AI Invoice Data Extraction
• Confidence Score Generation
• Risk Level Classification
• Duplicate Invoice Detection
• Google Sheets Integration
• Automated Email Notifications
• Dashboard Reporting

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Workflow Architecture

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Google Sheets Dashboard

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Successful Processing Email

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High Risk Invoice Alert

duplicate alert

Google Sheet Image

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Workflow

Invoice Upload
      ↓
PDF Extraction
      ↓
OpenAI Analysis
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Risk Assessment
      ↓
Duplicate Detection
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Google Sheets Storage
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Email Notification

Tech Stack

• n8n
• OpenAI
• Google Sheets
• Gmail
• PDF Processing

Business Benefits

• Automates invoice processing
• Reduces manual effort
• Detects duplicate invoices
• Flags high-risk invoices
• Generates automated reports

Demo Video

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Author

Akshay Patel