Log LINE invoice photos to Google Sheets with OCR.space and Gemini AI — Workflow n8n

Moyen complexité🔗 Webhook15 nœuds🏷️ Invoice Processing👁 1 vuespar Ryo Sayama

Aperçu

Who is this for

Freelancers, small business owners, and accounting teams in Japan who receive invoices and want to eliminate manual data entry into spreadsheets.

What this workflow does

Send an invoice photo to your LINE bot and the rest is automatic. The workflow fetches the image via LINE Messaging API, runs it through OCR.space to extract raw text, then passes that text to a Gemini AI Agent to parse the key fields — invoice number, date, due date, vendor name, subtotal, tax, and total. The

Nœuds utilisés

Google SheetsHTTP RequestCodeAI AgentGoogle Gemini Chat Model

Aperçu du workflow

How it works
Send a photo of any invoice to the LINE bot and the res
Image Intake
Receives the invoice image from LINE via Webhook, filte
Text Extraction
Converts the image to Base64 and sends it to OCR.space,
AI Parsing
Gemini AI reads the raw OCR text and structures it into
Log & Notify
Appends the parsed invoice data to Google Sheets and se
Error Handling
Checks whether the AI successfully parsed the invoice a
LINE Reply
Sends a success message or a clear error message back t
model
Google Gemini Chat Model
⚡
R
Receive LINE Webhook
⚡
R
Return 200 OK to LINE
C
Check Image Message
V
Variables (API Key Manag…
Fetch Image from LINE
Convert Image to Base64
OCR - Extract Text from …
AI Agent - Parse Invoice…
Parse & Format JSON
E
Error Check
Append to Google Sheets
LINE Reply - Success
LINE Reply - Error
LINE Reply - Not an Image
15 nodes14 edges

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur webhook.

  2. 2

    Traitement

    Les données transitent par 15 nœuds, connecting agent, code, googlesheets.

  3. 3

    Sortie

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

Détails des nœuds (15)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
CO

Code

code

#3
AI

AI Agent

n8n-nodes-langchain.agent

#4
GO

Google Gemini Chat Model

n8n-nodes-langchain.lmChatGoogleGemini

#5

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 log-line-invoice-photos-to-google-sheets-with-ocrspace-and-gemini-ai 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": "Log LINE invoice photos to Google Sheets with OCR.space and Gemini AI", "nodes": [...], ...}

Intégrations

agentcodegooglesheetshttprequestiflmchatgooglegeminirespondtowebhooksetwebhook

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
Nœuds15
Complexitémedium
Déclencheurwebhook
Vues1
CatégorieInvoice Processing

Créé par

Ryo Sayama

Ryo Sayama

@sayama

Tags

agentcodegooglesheetshttprequestiflmchatgooglegeminirespondtowebhooksetwebhook
⚡

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🔗 Webhook·12 nodes