Generate, Encrypt, and Send Invoices with PDF Generator API & Google Suite — n8n Workflow

Medium complexity🔗 Webhook8 nodes🏷️ Invoice Processing👁 5 viewsby Marián Današ

Overview

Why Creating and sending invoices manually is a major administrative bottleneck. It's not only slow but also prone to human error, such as creating duplicate invoice numbers or sending sensitive financial data in an unsecured format. This workflow solves these problems by creating a robust, end-to-end automation. It ensures every invoice has a unique ID, is professionally generated, is password-protected, and is delivered to your customer automatically.

What This workflow provides a complete, s

Nodes used

Google SheetsGoogle DriveGmailCode

Workflow Preview

Pinned TEST data
This pinned data simulates the test payload (JSON) from
Generate a random INVOICE number and check fo
Generate a document and Encrypt
Upload the file and send the invoice to the c
PDF Generator API
The PDF Generator API node connects to the pdfgenerator
Generate Invoice ID
Check if ID Already Exists
I
If Does not Exist
⚡
W
Webhook
G
Generate a PDF document
Upload file
Send a message + file
E
Encrypt PDF document
8 nodes8 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a webhook trigger.

  2. 2

    Process

    Data flows through 8 nodes, connecting @pdfgeneratorapi/n8n-nodes-pdf-generator-api.pdfgeneratorapi, code, gmail.

  3. 3

    Output

    The workflow completes its automation and delivers the result to the configured destination.

Node Details (8)

GO

Google Sheets

googleSheets

#1
GO

Google Drive

googleDrive

#2
GM

Gmail

gmail

#3
CO

Code

code

#4

How to Import This Workflow

  1. 1Click Download JSON button on the right to save the workflow file.
  2. 2Open your n8n instance. Go to Workflows → New → Import from file.
  3. 3Select the downloaded generate-encrypt-and-send-invoices-with-pdf-generator-api-google-suite file and click Import.
  4. 4Set up credentials for each service node (API keys, OAuth, etc.).
  5. 5Click Test Workflow to verify everything works, then activate it.

Or paste directly in n8n → Import from JSON:

{ "name": "Generate, Encrypt, and Send Invoices with PDF Generator API & Google Suite", "nodes": [...], ...}

Integrations

@pdfgeneratorapi/n8n-nodes-pdf-generator-api.pdfgeneratorapicodegmailgoogledrivegooglesheetsifwebhook

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes8
Complexitymedium
Triggerwebhook
Views5
CategoryInvoice Processing

Created by

Marián Današ

Marián Današ

@marian

Tags

@pdfgeneratorapi/n8n-nodes-pdf-generator-api.pdfgeneratorapicodegmailgoogledrivegooglesheetsifwebhook
⚡

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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