Extract invoice data from Gmail PDFs and save to Google

This automation template eliminates manual data entry from incoming invoice PDFs sent via email. It automatically extracts structured information — such as details, line items, and totals — and saves it to Google Sheets. Designed for teams using Google Workspace and handling high volumes of invoices.

## Who it´s for
- Accountants processing incoming invoices
- Finance operators in mid-sized companies
- Procurement managers tracking purchase orders
- Teams using Google Workspace for document workflows

## What the automation does
- Monitors Gmail for invoice emails from a specific sender
- Detects PDF attachments and uploads them to LlamaParse for markdown conversion
- Sends parsed content to Google Gemini for structured data extraction
- Saves extracted fields (number, date, total, line items) into Google Sheets
- Labels processed emails as ´invoice synced´ to prevent duplicates
- Can be triggered by new messages or scheduled runs

## What´s included
- Ready-to-use n8n workflow
- Trigger and handler logic for email-based processing
- Integrations with Gmail, Google Sheets, LlamaIndex Cloud, and Google AI (Gemini)
- Basic text instructions for setup and adaptation

## Requirements for setup
- n8n instance with access to HTTP API and LangChain
- Gmail account with read access and label management permissions
- Google Sheet for storing extracted invoice data
- LlamaParse API key and access to LlamaIndex Cloud
- Google AI API key for Gemini model access

## Benefits and outcomes
- Eliminates manual data entry from invoice PDFs
- Reduces errors in financial processing
- Accelerates invoice reconciliation and reporting
- Centralizes invoice data in Google Sheets
- Prevents duplicate processing with automated labeling
- Scales to handle dozens of invoices daily

## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via Telegram: @gleb923.