Process email invoices with OCR, GPT-4, Slack, QuickBooks and Google Sheets — Flujo de trabajo n8n

Alta complejidad Disparador20 nodos🏷️ Invoice Processing👁 1 vistaspor ResilNext

Descripción general

Overview This workflow automates invoice processing directly from your email inbox.

It captures invoice attachments, extracts structured data using OCR and AI, validates totals, and securely processes invoices. If issues are detected, it routes them for human review. Approved invoices are recorded in QuickBooks and logged for auditing.

How It Works

Email Trigger Monitors a Gmail label and downloads invoice attachments automatically.

Configuration & Metadata Sets OCR API, thresholds, an

Nodos utilizados

Google SheetsHTTP RequestSlackQuickBooks OnlineCodeAI AgentOpenAI Chat ModelStructured Output Parser

Vista previa del flujo de trabajo

Email Trigger
Watches inbox and downloads invoice attachments automat
Configuration
Stores OCR API, thresholds, Slack channel, and audit sh
File Processing
Routes PDF to extractor or images to OCR API for text e
AI Extraction
AI extracts structured invoice data with confidence sco
Validation and Masking
Recalculates totals and checks for mismatches and Masks
Review Check
Flags invoices needing human review based on validation
Human Review
Sends Slack alert and waits for approval if issues are
Accounting Sync
Creates bill in QuickBooks for approved invoices.
Audit Logging
Logs processing details and results to Google Sheets.
How it works
Monitors email for invoice attachments, extracts data u
Setup
Conn
Notifications
Sends success message after invoice is processed.
modelparsermodel
I
Invoice Email Trigger
W
Workflow Configuration
C
Capture Invoice Metadata
C
Check File Type
E
Extract Text from PDF
OCR for Images
M
Merge OCR Results
AI Invoice Extractor
OpenAI GPT-4
Invoice Schema Parser
Validate and Recalculate…
Mask PII Data
C
Check if Review Needed
W
Wait for Human Review
Send Review Request
Create QuickBooks Bill
Log to Audit Trail
Send Success Notification
P
Prepare Audit Log Entry
OpenAI GPT-4 for Parser
20 nodes21 edges

Cómo funciona

  1. 1

    Disparador

    El flujo de trabajo comienza con un disparador disparador.

  2. 2

    Procesamiento

    Los datos fluyen a través de 20 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 (20)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
SL

Slack

slack

#3
QU

QuickBooks Online

quickbooks

#4
CO

Code

code

#5
AI

AI Agent

n8n-nodes-langchain.agent

#6
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#7
ST

Structured Output Parser

n8n-nodes-langchain.outputParserStructured

#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 process-email-invoices-with-ocr-gpt-4-slack-quickbooks-and-google-sheets 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": "Process email invoices with OCR, GPT-4, Slack, QuickBooks and Google Sheets", "nodes": [...], ...}

Integraciones

agentcodeextractfromfilegmailtriggergooglesheetshttprequestiflmchatopenaimergeoutputparserstructuredquickbookssetslackwait

Obtener este flujo de trabajo

Descarga e importa con un solo clic

Descargar JSONVer en n8n.io
Nodos20
Complejidadhigh
Disparadortrigger
Vistas1

Creado por

ResilNext

ResilNext

@rnair1996

Etiquetas

agentcodeextractfromfilegmailtriggergooglesheetshttprequestiflmchatopenaimergeoutputparserstructured

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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