Automatic Invoice Generation and Email with Airtable and CustomJS PDF Generator — n8n Workflow

Medium complexity⚡ Trigger11 nodes🏷️ Invoice Processingby CustomJS

Overview

> ⚠️ Notice:
> This workflow uses the CustomJS Invoice Generator node from customjs.space, which requires a self-hosted n8n instance and a CustomJS API key.

Google Spreadsheet → Invoice Generation → Email Workflow

This workflow demonstrates how to:

Pull invoices ready to be sent from Airtable.
Retrieve client details and invoice items from Airtable.
Generate a professional invoice PDF using CustomJS Invoice Generator.
Send the completed invoice via email to the client.
Update

Nodes used

AirtableSend Email

Workflow Preview

Invoice Management With Airtable

Here you will find an example of how you can create

and manage your invoices for free, easily, and beautifu

[Public Airtable Example](https://airtable.com/apph

Define Your Company Details

Here you can customize your own company details.

Mark Invoices as "Sent"

Finally, the invoices are set to “Sent” so that they wi

Collect Invoice Data From Airtable

Here, all invoices with the status “Ready” are retrieve

Generate Invoice & send email with invoice

Run this workflow manually

Loop Over Items

Since the number of invoice items does not match the nu

⚡

When clicking ‘Execute w…

Get Ready Invoices

Get Clients

Get Invoice Items

Aggregate

Loop Over Items

Update record

Generate Invoice

Set Company Details

Map Fields

Send Email With Attachment

11 nodes11 edges

How it Works

1
Trigger
The workflow starts with a trigger trigger.
2
Process
Data flows through 11 nodes, connecting @custom-js/n8n-nodes-pdf-toolkit.invoicegenerator, aggregate, airtable.
3
Output
The workflow completes its automation and delivers the result to the configured destination.

Node Details (11)

Airtable

airtable

Send Email

emailSend

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 automatic-invoice-generation-and-email-with-airtable-and-customjs-pdf-generator 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": "Automatic Invoice Generation and Email with Airtable and CustomJS PDF Generator", "nodes": [...], ...}

Integrations

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

Get This Workflow

Download and import in one click

Download JSON View on n8n.io

Nodes11

Complexitymedium

Triggertrigger

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