Automate Invoice Data Extraction with OCR.Space, GPT & Google Sheets — n8n Workflow

Mittel Komplexität⏰ Geplant10 Knoten🏷️ Invoice Processingvon Supira Inc.

Übersicht

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

Verwendete Knoten

Google SheetsHTTP RequestGoogle DriveCodeOpenAI

Workflow-Vorschau

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

So funktioniert es

  1. 1

    Auslöser

    Der Workflow startet mit einem geplant-Auslöser, der nach einem definierten Zeitplan läuft.

  2. 2

    Verarbeitung

    Die Daten fließen durch 10 Knoten, connecting code, googledrive, googlesheets.

  3. 3

    Ausgabe

    Der Workflow schließt seine Automatisierung ab und liefert das Ergebnis an das konfigurierte Ziel.

Knotendetails (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

So importieren Sie diesen Workflow

  1. 1Klicken Sie rechts auf die Schaltfläche JSON herunterladen, um die Workflow-Datei zu speichern.
  2. 2Öffnen Sie Ihre n8n-Instanz. Gehen Sie zu Workflows → Neu → Aus Datei importieren.
  3. 3Wählen Sie die heruntergeladene Datei automate-invoice-data-extraction-with-ocrspace-gpt-google-sheets und klicken Sie auf Importieren.
  4. 4Richten Sie Anmeldedaten für jeden Dienstknoten ein (API-Schlüssel, OAuth usw.).
  5. 5Klicken Sie auf Workflow testen, um zu überprüfen, ob alles funktioniert, und aktivieren Sie es dann.

Oder direkt in n8n → Aus JSON importieren einfügen:

{ "name": "Automate Invoice Data Extraction with OCR.Space, GPT & Google Sheets", "nodes": [...], ...}

Integrationen

codegoogledrivegooglesheetshttprequestopenaischeduletrigger

Diesen Workflow holen

Herunterladen und mit einem Klick importieren

JSON herunterladenAuf n8n.io ansehen
Knoten10
Komplexitätmedium
Auslöserscheduled
KategorieInvoice Processing

Erstellt von

Supira Inc.

Supira Inc.

@supira

Tags

codegoogledrivegooglesheetshttprequestopenaischeduletrigger
⚡

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🔗 Webhook·12 nodes