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

Gemiddeld complexiteit🔗 Webhook15 knooppunten🏷️ Invoice Processing👁 1 weergavendoor Ryo Sayama

Overzicht

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

Gebruikte knooppunten

Google SheetsHTTP RequestCodeAI AgentGoogle Gemini Chat Model

Workflow-voorvertoning

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

Hoe het werkt

  1. 1

    Trigger

    De workflow start met een webhook-trigger.

  2. 2

    Verwerking

    Gegevens stromen door 15 knooppunten, connecting agent, code, googlesheets.

  3. 3

    Uitvoer

    De workflow voltooit zijn automatisering en levert het resultaat aan de geconfigureerde bestemming.

Knooppuntdetails (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

Hoe deze workflow te importeren

  1. 1Klik op de knop JSON downloaden rechts om het workflowbestand op te slaan.
  2. 2Open uw n8n-instantie. Ga naar Workflows → Nieuw → Importeren uit bestand.
  3. 3Selecteer het gedownloade bestand log-line-invoice-photos-to-google-sheets-with-ocrspace-and-gemini-ai en klik op Importeren.
  4. 4Stel inloggegevens in voor elk serviceknooppunt (API-sleutels, OAuth, enz.).
  5. 5Klik op Workflow testen om te controleren of alles werkt, activeer het vervolgens.

Of plak rechtstreeks in n8n → Importeren uit JSON:

{ "name": "Log LINE invoice photos to Google Sheets with OCR.space and Gemini AI", "nodes": [...], ...}

Integraties

agentcodegooglesheetshttprequestiflmchatgooglegeminirespondtowebhooksetwebhook

Haal deze workflow op

Download en importeer met één klik

JSON downloadenBekijken op n8n.io
Knooppunten15
Complexiteitmedium
Triggerwebhook
Weergaven1
CategorieInvoice Processing

Gemaakt door

Ryo Sayama

Ryo Sayama

@sayama

Tags

agentcodegooglesheetshttprequestiflmchatgooglegeminirespondtowebhooksetwebhook
⚡

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🔗 Webhook·12 nodes