How We Automated Invoice Processing for a US Construction Company
Real-world case study showing how we automated invoice processing using AI, n8n, and QuickBooks integration.
Overview
A US construction company was handling dozens of invoices manually every week. The process was slow and error-prone.
Problem
- •Manual PDF review
- •Incorrect data entries
- •Long approval cycle
- •Delayed payments
- •No tracking
Solution
We built an automated workflow:
- PDF upload
- AI data extraction
- Auto-validation
- Approval chain
- QuickBooks entry
- Status notifications
- Audit log
Outcome
- 20 hours saved monthly
- 80 percent fewer errors
- Faster approvals
- Real-time tracking
- Clean accounting data
Tools Used
n8n
OpenAI
QuickBooks API
Mailgun
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