Invoice verification and validation with Gmail, Drive, Sheets and OCR AI
Description (Full, User-Centric & Sales-Driven): Tired of manually verifying purchase order invoices every single day? This plug-and-play n8n automation template saves your accounts team hours of work by automatically downloading, storing, extracting, and validating invoice data against your master item sheet — all without human intervention. Perfect for SMEs, startups, procurement teams, and accounts departments, this automation handles PO invoice verification from email to final validation wit
At a glance
Invoice verification and validation with Gmail, Drive, Sheets and OCR AI is a ready-made n8n workflow you import as a workflow JSON file — no build required. It connects Gmail, Notion, Google Drive. It's free to download. Follow the 5-step import below to go live in minutes.
- Platform
- n8n
- Connects
- Gmail, Notion, Google Drive
- Modules
- 34
- Price
- Free
- Version
- v1.0

About this workflow
Description (Full, User-Centric & Sales-Driven): Tired of manually verifying purchase order invoices every single day? This plug-and-play n8n automation template saves your accounts team hours of work by automatically downloading, storing, extracting, and validating invoice data against your master item sheet — all without human intervention. Perfect for SMEs, startups, procurement teams, and accounts departments, this automation handles PO invoice verification from email to final validation with 99% accuracy. --- 🚀 What This Automation Does End-to-End: 📥 Invoice Retrieval & Organization: Runs Monday to Saturday, 8 hours/day Reads invoices from specific vendor email(s) (e.g., abc@company.com) Extracts the invoice date from the email subject Automatically creates month & day-wise folders in Google Drive Uploads each invoice PDF into its respective folder 🔍 AI + OCR Data Extraction & Validation: Uses OCR to extract item data (name, quantity, rate, HSN, etc.) from each invoice PDF Converts messy PDF data into clean structured format using AI Agent Model Stores the data into a dedicated Google Sheet: "Store Invoice Data" ✅ Invoice vs. Master Data Validation: Automatically fetches a second Google Sheet: "Store Master Data" Compares each invoice item line-by-line with the master sheet: Checks for Item Code, Name, Price mismatches Calculates price differences and total loss/gain per invoice Marks each line as Matched / Mismatched with notes 📬 Final Reporting: Sends an automated summary email once all invoices are processed Alerts if any mismatches found, allowing for early intervention --- 📂 Example Output: Check how data is validated in real time: 🔗 Store Invoice Data Sheet 🔗 Store Master Data Sheet --- 👥 Who Is This For? Accounts & Finance Teams Procurement Departments Growing Startups with Vendors ERP/Automation Enthusiasts Anyone tired of manually checking vendor bills --- 📦 What You’ll Get: Ready-to-import n8n workflow (JSON) Setup Guide (PDF or Notion link) Sample Google Sheet template Email + Google Drive + OCR setup guide AI Agent configuration tips BONUS: Customization support (optional)
How to import this n8n workflow
- 1
Download the workflow JSON file after purchase.
- 2
Open n8n → click the menu → Import from File.
- 3
Select the downloaded JSON and import.
- 4
Set up credentials for each node that requires them.
- 5
Click Execute Workflow to test, then activate.
Setup guide
Setup guide included
Purchase to unlock the full step-by-step guide
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- JSON blueprint — instant download
- Setup guide PDF included
- 5 downloads · valid 30 days
- Works with n8n
Need help setting this up?
Book a 3-hour live setup session with an Agility consultant.
- Configure live on Google Meet / Zoom
- Free follow-up if workflow has defects
- Platform expert assigned to you