n8n Invoice Automation System

A client-style business automation project built with n8n, Google Drive, Google Sheets, Bkper, and AppSheet to reduce manual invoice handling and create a structured review-friendly processing pipeline.

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Business Value

AutomationFile intake, duplicate checks, extraction, routing, and tracking
AI LayerStructured invoice parsing with review indicators
Ops VisibilityGoogle Sheets buffers plus AppSheet review flow
Client StyleReal business workflow with human-in-the-loop design

Workflow Screens

Workflow overview

System Overview

High-level view of how invoice files move through storage, extraction, validation, bookkeeping support, and review operations.

Solution context

Business Context

The workflow sits between operations and bookkeeping, turning disconnected manual steps into a repeatable business process.

n8n flow main

Main n8n Flow

The orchestration layer manages ingestion, parsing, routing, and conditional logic for invoice handling.

n8n builder interface

Builder Interface

The implementation is presented as a practical workflow system, not just a diagram or idea.

What This Project Demonstrates