Automate WhatsApp Invoice Processing with OCR, GPT-4 Mini & Google Services — n8n Workflow
Overview
Description
How it works
This powerful workflow helps businesses and freelancers automatically manage invoices received on WhatsApp.
It detects new messages, downloads attached invoices, extracts key data using OCR (Optical Character Recognition), summarizes the details with AI, updates Google Sheets for record-keeping, saves files to Google Drive, and instantly replies with a clean summary message all without manual effort.
Perfect for small businesses, agencies, accountants, and freela
Nodes used
Workflow Preview
How it Works
- 1
Trigger
The workflow starts with a trigger trigger.
- 2
Process
Data flows through 11 nodes, connecting agent, code, googledrive.
- 3
Output
The workflow completes its automation and delivers the result to the configured destination.
Node Details (11)
Google Sheets
googleSheets
HTTP Request
httpRequest
Google Drive
googleDrive
WhatsApp Business Cloud
Code
code
AI Agent
n8n-nodes-langchain.agent
OpenAI Chat Model
n8n-nodes-langchain.lmChatOpenAi
How to Import This Workflow
- 1Click Download JSON button on the right to save the workflow file.
- 2Open your n8n instance. Go to Workflows → New → Import from file.
- 3Select the downloaded
automate-whatsapp-invoice-processing-with-ocr-gpt-4-mini-google-servicesfile and click Import. - 4Set up credentials for each service node (API keys, OAuth, etc.).
- 5Click Test Workflow to verify everything works, then activate it.
Or paste directly in n8n → Import from JSON:
Integrations
Created by
Muhammad Ali
@ali01
Tags
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