Automate Invoice Processing with Gmail, OCR.space, Slack & Xero — Workflow n8n

Élevé complexité Déclencheur20 nœuds🏷️ Invoice Processing👁 3 vuespar Abi Odedeyi

Aperçu

How It Works

Trigger: Watches for new emails in Gmail with PDF/image attachments.
OCR: Sends the attachment to OCR.space API (https://ocr.space/OCRAPI) to extract invoice text.
Parsing: Extracts key fields:
Vendor
Invoice number
Amount
Currency
Invoice date
Due date
Description
Validation Logic:
Checks if amount is valid
Ensures vendor and invoice number are present
Flags high-value invoices (e.g., over $10,000)
Routing:
If invalid:

Nœuds utilisés

Google SheetsHTTP RequestSlackXeroGmailCode

Aperçu du workflow

Automate Invoice Processing with Gmail, OCR.s
This n8n template demonstrates how to automatically ext
2. Approve or Reject Invoice in Slack
Read more about Slack Approval workflows in n8n
After parsing, the workflow evaluates whether the invoi
1. Extract & Parse Invoice from Gmail
Read more about the Gmail and HTTP Request nodes
This section listens for new emails via Gmail,
3. Sync Outcome to Xero & Notify
Read more about Xero and Gmail automation
If the invoice is approved, the workflow fetches the co
G
Gmail Trigger
Code in JavaScript
Append or update row in …
Slack Approval Request
Slack Rejection message
C
Check Qualification
Parse Invoice Data
Format for Slack
Rejection message
Success message
Update Rejected Status
Update Approved Status
Add Processed label
Add Rejected label
Get many contacts
Clean Invoice Payload
Create invoice
H
Has Valid Attachment?
W
Was Approved?
Extract Text
20 nodes19 edges

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur déclencheur.

  2. 2

    Traitement

    Les données transitent par 20 nœuds, connecting code, gmail, gmailtrigger.

  3. 3

    Sortie

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

Détails des nœuds (20)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
SL

Slack

slack

#3
XE

Xero

xero

#4
GM

Gmail

gmail

#5
CO

Code

code

#6

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 automate-invoice-processing-with-gmail-ocrspace-slack-xero 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": "Automate Invoice Processing with Gmail, OCR.space, Slack & Xero", "nodes": [...], ...}

Intégrations

codegmailgmailtriggergooglesheetshttprequestifslackxero

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
Nœuds20
Complexitéhigh
Déclencheurtrigger
Vues3

Créé par

Abi Odedeyi

Abi Odedeyi

@abiodedeyi

Tags

codegmailgmailtriggergooglesheetshttprequestifslackxero

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🔗 Webhook·12 nodes