Extract Invoice Data from Email to Google Sheets using GPT-4o AI Automation

n8n template #4376

Summary

Transform your invoice processing from manual data entry into an intelligent automation system. This powerful n8n workflow monitors Gmail for invoice attachments, extracts data using AI-powered analysis, and creates organized Google Sheets with all relevant financial information automatically structured and ready for your accounting workflows. 🔄 How It Works This sophisticated 8-step automation eliminates manual invoice processing: Step 1: Intelligent Email Monitoring The workflow continuously monitors your Gmail account for emails with specific labels, checking every minute for new invoice attachments that need processing. Step 2: Attachment Verification Smart filtering ensures only emails

How to set it up

Open template #4376 on n8n.io and click Use for free, or copy the template JSON and paste it onto an empty canvas in n8n.
Create 3 credentials under Credentials → Add credential: Google Sheets, Google Drive, OpenAI Chat Model. Then open each of those nodes and pick the credential.
Check the model in the AI Agent node. The template may point at a model your account can't use; swap it for one you have access to.
Click Execute workflow and step through each node's output to confirm the data looks right.
Toggle the workflow to Active so its trigger runs on its own.

Hand off to your agent

Prompt

Help me set up the n8n workflow "Extract Invoice Data from Email to Google Sheets using GPT-4o AI Automation" (https://n8n.io/workflows/4376). It uses: Google Sheets, Google Drive, Code, AI Agent, OpenAI Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.

Paste into Claude Code and it will do the rest.

Apps and nodes

Google Sheets Google Drive Code AI Agent OpenAI Chat Model

Questions

Yes. Yaron Been published it free on n8n.io as a verified creator, and it has 7,131 views. It runs on n8n Cloud or a self-hosted n8n instance.

Google Sheets, Google Drive, OpenAI Chat Model. The other 2 nodes are built into n8n.

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