Automate Invoice Processing with AI Data Extraction, Google Drive & Sheets — n8n Workflow

High complexity Trigger21 nodes🏷️ Invoice Processingby Romain

Overview

🧾 Automated Invoice Processing - n8n Workflow

📖 Workflow Description

This n8n workflow automates the complete processing of PDF invoices with AI-powered data extraction. The workflow monitors a Google Drive folder, extracts important invoice data, and automatically organizes files in a structured filing system.

🎯 Features

🔍 Automatic monitoring** of a Google Drive folder for new PDF files 🤖 AI-powered data extraction** from invoices (customer, amount, date, etc.) 📁 Intelligent file sorting**

Nodes used

Google SheetsGoogle DriveOpenAI Chat ModelInformation Extractor

Workflow Preview

Text aus PDF extrahieren
Informationsextrahierung mit KI
Rechnung in entsprechenden Ordner verschieben
Dokumentieren
Jahres / Monatsordner erstellen
Dieser Workflow erstellt die Jahresordner und die dazug
Beim Ausführen werden erst die Jahresordner die angegeb
Ordner für Rechnungen erstellen
Eingehende Rechnungen verarbeiten
🧾 Automated Invoice Processing - n8n Workflo
📖 Workflow Description
This n8n workflow automates the complete processing of
model
GetFile
Information Extractor
E
ExtractFromPDF
L
Loop
GetYearFolder
GetMonthFolder
MoveFile
UpdateFileName
AddToOverview
Search files and folders
G
Google Drive Trigger
OpenAI Chat Model
Jahresordner schon vorha…
Jahresordner erstellen
Monatsordner einfügen
S
Split Out1
M
Monate als Liste
J
Jahre auswählen
S
Split Out
L
Loop Over Items
O
Ordner noch nicht vorhan…
21 nodes22 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a trigger trigger.

  2. 2

    Process

    Data flows through 21 nodes, connecting extractfromfile, googledrive, googledrivetrigger.

  3. 3

    Output

    The workflow completes its automation and delivers the result to the configured destination.

Node Details (21)

GO

Google Sheets

googleSheets

#1
GO

Google Drive

googleDrive

#2
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#3
IN

Information Extractor

n8n-nodes-langchain.informationExtractor

#4

How to Import This Workflow

  1. 1Click Download JSON button on the right to save the workflow file.
  2. 2Open your n8n instance. Go to Workflows → New → Import from file.
  3. 3Select the downloaded automate-invoice-processing-with-ai-data-extraction-google-drive-sheets file and click Import.
  4. 4Set up credentials for each service node (API keys, OAuth, etc.).
  5. 5Click Test Workflow to verify everything works, then activate it.

Or paste directly in n8n → Import from JSON:

{ "name": "Automate Invoice Processing with AI Data Extraction, Google Drive & Sheets", "nodes": [...], ...}

Integrations

extractfromfilegoogledrivegoogledrivetriggergooglesheetsifinformationextractorlmchatopenaisetsplitinbatchessplitout

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes21
Complexityhigh
Triggertrigger

Created by

Romain

Romain

@romi-walker

Tags

extractfromfilegoogledrivegoogledrivetriggergooglesheetsifinformationextractorlmchatopenaisetsplitinbatchessplitout

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Automate Custom QuickBooks Invoice PDFs & Email with n8n

Standard accounting templates often fail to reflect a premium brand identity. This sophisticated n8n workflow bridges the gap between financial record-keeping and professional client presentation. By moving beyond the native limitations of QuickBooks Online, this automation enables businesses to generate high-end, multi-page PDF invoices that align perfectly with their corporate styling. The process begins the moment a new invoice is generated in QuickBooks, triggering a webhook that captures real-time billing data. The workflow then utilizes advanced HTML-to-File conversion and custom Code nodes to structure data into a polished, branded layout. It handles complex logic such as line-item merging and multi-page formatting automatically. Once the document is rendered, the system bypasses generic 'no-reply' senders by routing the finalized PDF through your preferred email provider. This ensures a seamless, white-labeled experience for your clients while eliminating the manual overhead of exporting, styling, and attaching files. Ideal for agencies and service providers, this flow guarantees that your most frequent touchpoint—the bill—is as professional as your work. **Common Use Cases:** - High-end creative agencies requiring bespoke, white-labeled billing documents for premium clients. - Automated recurring subscription billing where custom tax disclosures or localized branding are required. - Service-based businesses needing to attach dynamic project reports or terms of service directly to QuickBooks invoices.

🔗 Webhook·12 nodes