Client Billing Detail Collection & Invoice Generation with Gmail and QuickBooks — n8n Workflow

Medium complexity⚡ Trigger7 nodes🏷️ Invoice Processingby Rosh Ragel

Overview

What It Does This workflow allows you to quickly generate and send invoices by collecting missing billing details from clients through an automated form and email sequence. It integrates Gmail and QuickBooks Online to handle the full billing flow: from request to invoice, reducing manual data entry and time wasted switching between apps.

Perfect for freelancers, service providers, or teams that want to streamline invoicing without going back and forth with clients.

Prerequisites Gmail OAuth2 c

Nodes used

GmailQuickBooks Online

Workflow Preview

Ask Client for Billing Details and Automatica

What It Does

This workflow allows you to quickly generate and send i

Enter Client Info

- Tip: Save the production URL in this node to use it o

- Fill out this form to start the workflow

Ask Client for Info

Sends an email from your official Gmail account, asking

Add Client to QBO

Tries to add a new customer to QuickBooks

Find Existing Customer

Searches your QuickBooks account for a customer with th

Create A New Invoice

Builds a draft invoice in QBO using the client info and

Send Invoice to Client

Sends the Finished Invoice to the Client

Get Selected Product

Gets the product you selected from the form via QuickBo

Add Client to QBO

Find Existing Customer

⚡

Enter Client Details

Ask Client for Billing I…

Get The Selected Product

Create A New Invoice

Send the Invoice

7 nodes6 edges

How it Works

1
Trigger
The workflow starts with a trigger trigger.
2
Process
Data flows through 7 nodes, connecting formtrigger, gmail, quickbooks.
3
Output
The workflow completes its automation and delivers the result to the configured destination.

Node Details (7)

Gmail

gmail

QuickBooks Online

quickbooks

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 client-billing-detail-collection-invoice-generation-with-gmail-and-quickbooks file 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:

{ "name": "Client Billing Detail Collection & Invoice Generation with Gmail and QuickBooks", "nodes": [...], ...}

Integrations

formtriggergmailquickbooks

Get This Workflow

Download and import in one click

Download JSON View on n8n.io

Nodes7

Complexitymedium

Triggertrigger

CategoryInvoice Processing

Created by

Rosh Ragel

@roshragel

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Automate Custom QuickBooks Invoice PDFs & Email with n8n

Standard accounting templates often fail to reflect a premium brand identity. This sophisticated n8n workflow bridges the gap between financial record-keeping and professional client presentation. By moving beyond the native limitations of QuickBooks Online, this automation enables businesses to generate high-end, multi-page PDF invoices that align perfectly with their corporate styling. The process begins the moment a new invoice is generated in QuickBooks, triggering a webhook that captures real-time billing data. The workflow then utilizes advanced HTML-to-File conversion and custom Code nodes to structure data into a polished, branded layout. It handles complex logic such as line-item merging and multi-page formatting automatically. Once the document is rendered, the system bypasses generic 'no-reply' senders by routing the finalized PDF through your preferred email provider. This ensures a seamless, white-labeled experience for your clients while eliminating the manual overhead of exporting, styling, and attaching files. Ideal for agencies and service providers, this flow guarantees that your most frequent touchpoint—the bill—is as professional as your work. **Common Use Cases:** - High-end creative agencies requiring bespoke, white-labeled billing documents for premium clients. - Automated recurring subscription billing where custom tax disclosures or localized branding are required. - Service-based businesses needing to attach dynamic project reports or terms of service directly to QuickBooks invoices.

🔗 Webhook·12 nodes