Auto-Create Invoices from Gmail Labels with GPT-4O + QuickBooks

Automates invoice creation from Gmail 'Invoice Needed' labels using AI to extract details, creates QuickBooks invoices, downloads PDFs, and drafts reply emails with attachments.

This n8n workflow streamlines billing by monitoring Gmail for threads labeled 'Invoice Needed'. It fetches these threads, groups messages, and uses an OpenAI GPT-4O agent to intelligently extract key invoice details like client info, billing address, amount, and description. The workflow then integrates with QuickBooks Online to add new clients if needed, find existing ones, and generate draft invoices. Once the invoice is created, it downloads the PDF version and drafts a professional reply em
Platform
n8n
Category
Education
Price
$24.99
Creator
Vera Petrova

How to import this workflow into n8n

  1. 1Purchase or download the workflow to get the n8n workflow JSON file.
  2. 2In your n8n instance, open Workflows and choose "Import from File" (or paste the JSON with Ctrl+V on the canvas).
  3. 3Open each node marked with a credential warning and connect your own accounts and API keys.
  4. 4Run the workflow once manually to verify the data flow, then toggle it to Active.

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