Automate Invoice Data Extraction with OCR.Space, GPT & Google Sheets — Flujo de trabajo n8n

Media complejidad⏰ Programado10 nodos🏷️ Invoice Processingpor Supira Inc.

Descripción general

Overview This template automates invoice processing for teams that currently copy data from PDFs into spreadsheets by hand. It is ideal for small businesses, back-office teams, accounting, and operations who want to reduce manual entry, avoid human error, and never miss a payment deadline. The workflow watches a structured Google Drive folder, performs OCR, converts the text into clean structured JSON with an LLM, and appends one row per invoice into Google Sheets. It preserves a link back to th

Nodos utilizados

Google SheetsHTTP RequestGoogle DriveCodeOpenAI

Vista previa del flujo de trabajo

Schedule Trigger (Recurring Execution)
Purpose
- Periodically scan the Drive folder that stores invoic
- Can also be executed manually for debugging.
Google Drive Folder Discovery
Purpose
- Get the parent folder (e.g., "支払い請求書自動計算用フォルダ" meanin
- Auto-detect the current-month subfolder (e.g., a fold
AI Structured Extraction & Google Sheets Appe
Purpose
- Convert OCR results to a strict JSON structure using
- Extract invoice_date / due_date / client_name / subto
OCR Processing (PDF → Text Cleanup)
Purpose
- Download Drive files as binary.
- Use the OCR.Space API for text extraction.
- Remove noise and normalize line breaks.
⚡
S
Schedule Trigger (Weekly…
Get Parent Folder
Get Monthly Subfolder
List Files
Download File (Binary fr…
OCR (OCR.Space Parsing)
Clean OCR Text (Noise Re…
AI Extraction (Generate …
Parse AI Output to JSON
Append to Google Sheets
10 nodes9 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 10 nodos, connecting code, googledrive, googlesheets.

  3. 3

    Salida

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

Detalles de nodos (10)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
GO

Google Drive

googleDrive

#3
CO

Code

code

#4
OP

OpenAI

n8n-nodes-langchain.openAi

#5

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 automate-invoice-data-extraction-with-ocrspace-gpt-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": "Automate Invoice Data Extraction with OCR.Space, GPT & Google Sheets", "nodes": [...], ...}

Integraciones

codegoogledrivegooglesheetshttprequestopenaischeduletrigger

Obtener este flujo de trabajo

Descarga e importa con un solo clic

Descargar JSONVer en n8n.io
Nodos10
Complejidadmedium
Disparadorscheduled
CategoríaInvoice Processing

Creado por

Supira Inc.

Supira Inc.

@supira

Etiquetas

codegoogledrivegooglesheetshttprequestopenaischeduletrigger
⚡

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🔗 Webhook·12 nodes