Automatic Email Invoice Archiving & Data Extraction with Gmail, Drive & AI — Flujo de trabajo n8n

Alta complejidad Programado17 nodos🏷️ Invoice Processingpor Paolo Ronco

Descripción general

Automated Invoice Archiving

Automatically fetch, store, and extract key information from invoices received via email from your ISP or utility provider (electricity, gas, telecom, water, etc.).The workflow saves the invoices to Google Drive (or optionally to your personal FTP/SFTP server) and logs all invoice details into Google Sheets via AI-powered extraction.

Read: Full setup Guide

How it works

Scheduled TriggerRuns the workflow at a selected interval (e.g., every hour). You can freely a

Nodos utilizados

Google SheetsHTTP RequestGoogle DriveFTPGmailCodeAI AgentOpenRouter Chat Model

Vista previa del flujo de trabajo

Automated Invoice Archiving - overview
This workflow automatically collects invoice emails fro
SECTION 1 Trigger
Runs the workflow on a schedule you choose. Adjust inte
SECTION 2.1 — Email Intake & Attachment filte
Fetches messages from a specific sender and filters onl
Setup:
In Gmail → Get Many Messages, enter t
SECTION 3 — Download & Storage
Downloads the invoice PDF and saves it to Google Drive.
Google Drive:
Connect your Drive account: [🔗
SECTION 4 — PDF Text Extraction
Converts the PDF into text before sending it to the AI
SECTION 5 — AI Parsing
The AI Agent extracts structured data (date, vendor, am
Setup
Enter your LLM provider API key (OpenRouter/OpenAI).
Ensure
SECTION 6 - GoogleSheets Logging
Setup
Connect your Google Sheets Service Account.
Set Document ID and Sheet Name.
Create these columns in the first row:
* Vendor
Section 3: Check if already existing
Prevents duplicate processing of the same email.
This section checks whether the current Gmail message h
Section 2.2
Get attachment from Gmail
(binary file)
model
AI_Agent-fields
Code_extractFields
GoogleSheets_save
downloadFile
GoogleDrive-upload-file
Gmail-Get_Invoice
Delete a message
S
Schedule Trigger
Get many messages
E
Extract from File1
OpenRouter Chat Model1
Delete a file1
F
Filter-contains_attachment
Code in JavaScript
I
If
Check: Message already p…
FTP-upload
17 nodes14 edges

Cómo funciona

  1. 1

    Disparador

    El flujo de trabajo comienza con un disparador programado, ejecutándose según un horario definido.

  2. 2

    Procesamiento

    Los datos fluyen a través de 17 nodos, connecting agent, code, extractfromfile.

  3. 3

    Salida

    El flujo de trabajo completa su automatización y entrega el resultado al destino configurado.

Detalles de nodos (17)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
GO

Google Drive

googleDrive

#3
FT

FTP

ftp

#4
GM

Gmail

gmail

#5
CO

Code

code

#6
AI

AI Agent

n8n-nodes-langchain.agent

#7
OP

OpenRouter Chat Model

n8n-nodes-langchain.lmChatOpenRouter

#8

Cómo importar este flujo de trabajo

  1. 1Haz clic en el botón Descargar JSON a la derecha para guardar el archivo del flujo de trabajo.
  2. 2Abre tu instancia de n8n. Ve a Flujos de trabajo → Nuevo → Importar desde archivo.
  3. 3Selecciona el archivo automatic-email-invoice-archiving-data-extraction-with-gmail-drive-ai descargado y haz clic en Importar.
  4. 4Configura las credenciales para cada nodo de servicio (claves API, OAuth, etc.).
  5. 5Haz clic en Probar flujo de trabajo para verificar que todo funcione, luego actívalo.

O pega directamente en n8n → Importar desde JSON:

{ "name": "Automatic Email Invoice Archiving & Data Extraction with Gmail, Drive & AI", "nodes": [...], ...}

Integraciones

agentcodeextractfromfilefilterftpgmailgoogledrivegooglesheetshttprequestiflmchatopenrouterscheduletrigger

Obtener este flujo de trabajo

Descarga e importa con un solo clic

Descargar JSONVer en n8n.io
Nodos17
Complejidadhigh
Disparadorscheduled

Creado por

Paolo Ronco

Paolo Ronco

@paoloronco

Etiquetas

agentcodeextractfromfilefilterftpgmailgoogledrivegooglesheetshttprequestif

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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