Building an Automated Invoice Processing Pipeline with Node.js

Accounts payable teams spend an average of 3.7 minutes manually processing each invoice. At 200 invoices per month, that's 12+ hours of data entry. Here's how to build an automated pipeline that brings this to under 10 seconds per document. Pipeline Architecture Email/SFTP/API → Receive → Extract → Validate → Enrich → Store → Notify Each stage is independent and can fail gracefully without losing the document. Stage 1: Document Ingestion Accept invoices from multiple sources: const express = req