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Business Automation

AI Invoice Processing Automation

An AI-powered invoice workflow that automatically processes invoice emails, extracts structured data from PDF files, archives documents, and maintains invoice records.

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AI Invoice Processing Automation project interface

Business Problem

Finance and operations teams often spend time manually downloading invoice attachments, reading invoice details, entering data into spreadsheets, organizing documents, and marking processed emails.

Solution

Built an automated invoice pipeline that monitors Gmail, processes attached PDFs with AI, stores structured invoice data in Google Sheets, archives files in Google Drive, and labels completed emails.

Workflow

  1. 01Invoice Email
  2. 02Gmail Trigger
  3. 03PDF Processing
  4. 04AI Data Extraction
  5. 05Google Sheets Record
  6. 06Google Drive Archive
  7. 07Processed Email Label

Key Features

  • Automated invoice email monitoring
  • AI extraction of structured invoice data from PDFs
  • Spreadsheet record creation and Drive archival
  • Processed-email labeling for operational clarity

Tech Stack

n8nGmailGoogle DriveGoogle SheetsAI / LLMDocker

Architecture / System Flow

A Gmail-triggered n8n workflow processes invoice PDFs with AI, writes structured records to Sheets, archives files in Drive, and labels completed emails.

Resources

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