Generate Invoices, Save to Drive and Send Email to Customer with JS + G Sheets — n8n Workflow

Medium complexity🔗 Webhook11 nodes🏷️ Invoice Processing👁 4,477 viewsby Joseph

Overview

This workflow automates invoice generation from form submissions, ensuring unique order IDs, creating PDF invoices, storing files, emailing customers, and logging invoice data — all seamlessly integrated.

🔹 Workflow Overview

Trigger (Webhook) Starts when an order form is submitted, capturing customer and order details.

Generate Random Order ID A Function node creates a unique alphanumeric invoice ID (e.g., INV-X92B7D).

Check for Duplicate Order ID Google Sheets looks up the generate

Nodes used

Send EmailGoogle SheetsHTTP RequestGoogle DriveCode

Workflow Preview

Pinned Data to Simulate Webhook Query

⚡

Webhook Simulator

Generate Invoice ID

Check if ID Already Exists

If Does not Exist

Set Fields

Create Invoice HTML

HTML to PDF

Upload PDF to GDrive

Email Invoice to Customer

Append Details to Invoic…

Download PDF from API

11 nodes11 edges

How it Works

1
Trigger
The workflow starts with a webhook trigger.
2
Process
Data flows through 11 nodes, connecting code, emailsend, googledrive.
3
Output
The workflow completes its automation and delivers the result to the configured destination.

Node Details (11)

Send Email

emailSend

Google Sheets

googleSheets

HTTP Request

httpRequest

Google Drive

googleDrive

Code

code

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 generate-invoices-save-to-drive-and-send-email-to-customer-with-js-g-sheets 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": "Generate Invoices, Save to Drive and Send Email to Customer with JS + G Sheets", "nodes": [...], ...}

Integrations

codeemailsendgoogledrivegooglesheetshttprequestifsetwebhook

Get This Workflow

Download and import in one click

Download JSON View on n8n.io

Nodes11

Complexitymedium

Triggerwebhook

CategoryInvoice Processing

Created by

Joseph

@mjomba

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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