Detect duplicate invoice PDFs from Gmail with easybits and Google Sheets — Workflow n8n

Moyen complexité⚡ Déclencheur9 nœuds🏷️ Invoice Processingpar Felix

Aperçu

How It Works This workflow automatically detects duplicate invoices from Gmail. Incoming PDF attachments are scanned by the easybits AI Extractor, then checked against the Master Finance File in Google Sheets. Duplicates trigger a Slack alert – new invoices get added to the sheet.

Flow overview: Gmail picks up new emails labeled as invoices (polls every minute) The PDF attachment is extracted and converted to base64 easybits Extractor reads the document and returns structured data The invoice n

Nœuds utilisés

Google SheetsHTTP RequestSlackCode

Aperçu du workflow

📧 Email Intake
Polls Gmail every minute for emails with the invoice la
Downloads attachments automatically.
📄 Invoice Extraction with easybits
Extracts the PDF attachment, converts it to base64, and
🔍 Duplicate Check
Reads all rows from the Master Finance File in Google S
🚨 Duplicate Found
If the invoice already exists in the sheet, a Slack DM
✅ New Invoice
If the invoice is not a duplicate, it gets appended to
🔍 Invoice Duplicate Checker
How It Works
This workflow automatically detects duplicate invoices
Check Google Sheets
A
Already Exists?
Add to Master List
⚡
G
Gmail Trigger
E
Extract from File
E
Edit Fields
HTTP Request
Code in JavaScript
Slack: Alert Finance
9 nodes8 edges

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur déclencheur.

  2. 2

    Traitement

    Les données transitent par 9 nœuds, connecting code, extractfromfile, gmailtrigger.

  3. 3

    Sortie

    Le workflow termine son automatisation et livre le résultat à la destination configurée.

Détails des nœuds (9)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
SL

Slack

slack

#3
CO

Code

code

#4

Comment importer ce workflow

  1. 1Cliquez sur le bouton Télécharger JSON à droite pour enregistrer le fichier du workflow.
  2. 2Ouvrez votre instance n8n. Accédez à Workflows → Nouveau → Importer depuis un fichier.
  3. 3Sélectionnez le fichier detect-duplicate-invoice-pdfs-from-gmail-with-easybits-and-google-sheets téléchargé et cliquez sur Importer.
  4. 4Configurez les identifiants pour chaque nœud de service (clés API, OAuth, etc.).
  5. 5Cliquez sur Tester le workflow pour vérifier que tout fonctionne, puis activez-le.

Ou collez directement dans n8n → Importer depuis JSON :

{ "name": "Detect duplicate invoice PDFs from Gmail with easybits and Google Sheets", "nodes": [...], ...}

Intégrations

codeextractfromfilegmailtriggergooglesheetshttprequestifsetslack

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
Nœuds9
Complexitémedium
Déclencheurtrigger
CatégorieInvoice Processing

Créé par

Felix

Felix

@easybits

Tags

codeextractfromfilegmailtriggergooglesheetshttprequestifsetslack
⚡

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🔗 Webhook·12 nodes