Generate PDF Invoices with CustomJS API — n8n Workflow

Low complexity🔗 Webhook5 nodes🏷️ Invoice Processing👁 5,402 viewsby CustomJS

Overview

n8n Workflow: Invoice PDF Generator

This n8n workflow captures invoice data and generates a PDF invoice, ready to be sent or saved. It uses a webhook to trigger the process, preprocesses the invoice data, and converts it to a PDF using HTML and custom styling.

@custom-js/n8n-nodes-pdf-toolkit

Features:

Webhook Trigger**: Receives incoming data, including invoice details. Preprocessing**: Transforms the invoice data into HTML format. HTML to PDF Conversion**: Converts the preprocessed HTML in

Nodes used

Code

Workflow Preview

HTML to PDF

Preprocess

Set data

⚡

Webhook

⚡

Respond to Webhook

5 nodes4 edges

How it Works

1
Trigger
The workflow starts with a webhook trigger.
2
Process
Data flows through 5 nodes, connecting @custom-js/n8n-nodes-pdf-toolkit.html2pdf, code, respondtowebhook.
3
Output
The workflow completes its automation and delivers the result to the configured destination.

Node Details (5)

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-pdf-invoices-with-customjs-api 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 PDF Invoices with CustomJS API", "nodes": [...], ...}

Integrations

@custom-js/n8n-nodes-pdf-toolkit.html2pdfcoderespondtowebhooksetwebhook

Get This Workflow

Download and import in one click

Download JSON View on n8n.io

Nodes5

Complexitylow

Triggerwebhook

CategoryInvoice Processing

Created by

CustomJS

@customjs

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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