QuickBooks Automated Invoicing - Sync Google Sheets with QBO

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Built by Milan Vasarhelyi - SmoothWork Milan Vasarhelyi - SmoothWork
Created on June 05, 2026

Description

Video Introduction

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Overview

This workflow automates invoice creation in QuickBooks Online by importing data directly from a Google Sheet. Instead of manually entering invoice details one by one, this template reads structured data from your spreadsheet and automatically generates corresponding invoices in QuickBooks, saving time and reducing data entry errors.

Key Features

Automatically reads invoice data from Google Sheets including customer IDs, descriptions, and amounts
Creates properly formatted invoices in QuickBooks Online with line items
Eliminates manual data entry and reduces human error
Scalable solution for processing multiple invoices at once

Common Use Cases

Batch invoice generation from sales or order data
Automated billing workflows for recurring services
Syncing invoice data from external systems via Google Sheets
Streamlining accounting processes for small businesses

Setup and Configuration

QuickBooks Developer Account:
Register at developer.intuit.com and create a new app in the App dashboard
Select 'Accounting' scope permissions for your application
Copy your Client ID and Client Secret from the Keys & Credentials section
Add the n8n OAuth redirect URL to your app's authorized redirect URIs
In n8n, create a QuickBooks Online OAuth2 credential using your Client ID and Secret
Set Environment to 'Sandbox' for testing or 'Production' for live data
Click 'Connect my account' and authorize the connection

Google Sheets Setup:
Connect your Google Sheets account in n8n using OAuth2 authentication
Update the 'Config - Sheet URL' node with your Google Sheets URL
Your sheet must contain these columns: CustomerId (QuickBooks customer ID), Description (line item description), and Amount (invoice amount)

Invoice Customization:
In the 'Create Invoice in QuickBooks' node, adjust the itemId and Qty fields to match your QuickBooks accounting setup and product catalog.

Nodes Used (2)

Google Sheets
n8n-nodes-base.googleSheets
QuickBooks Online
n8n-nodes-base.quickbooks