Generate PDF invoices with line item support from Airtable using Google Sheets — n8n Workflow

Medium complexity🔗 Webhook15 nodes🏷️ Invoice Processing👁 4 viewsby Sergio Medina

Overview

Stop manually copy-pasting client data into Word templates. This workflow automates the entire invoicing process, handling complex line items, VAT calculations, PDF generation, and CRM syncing in under 20 seconds.

It is designed to solve the "Admin Trap" by connecting your database (Airtable) to your document generator (Google Drive/Docs) via a Webhook trigger.

⚡ What this workflow does Receives Data: Listens for a Webhook (compatible with frontends like Lovable, Softr, or standard forms) cont

Nodes used

AirtableHTTP RequestGoogle DriveCode

Workflow Preview

Automated Invoice Generator (Airtable + Googl
This workflow completely automates the invoicing proces
Process Line Items
Iterates through the incoming list of services, logging
Fill Template
Calculates the new invoice number, duplicates the Googl
Finalize & Sync
Creates the master Invoice record in Airtable, generate
W
Webhook
Create a record1
Add Service to DB
S
Split Services
Formatting Data
Get Previous Invoices
Generate Invoice #
Copy Invoice Template
Add Services to Invoice
Get Client Info
Add Client Info
Create a record1 (templa…
Add Invoice Summary Info
Share file
Update record
15 nodes13 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a webhook trigger.

  2. 2

    Process

    Data flows through 15 nodes, connecting airtable, code, googledrive.

  3. 3

    Output

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

Node Details (15)

AI

Airtable

airtable

#1
HT

HTTP Request

httpRequest

#2
GO

Google Drive

googleDrive

#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-pdf-invoices-with-line-item-support-from-airtable-using-google-sheets 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 PDF invoices with line item support from Airtable using Google Sheets", "nodes": [...], ...}

Integrations

airtablecodegoogledrivehttprequestsplitoutwebhook

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes15
Complexitymedium
Triggerwebhook
Views4

Created by

Sergio Medina

Sergio Medina

@sergio-medina

Tags

airtablecodegoogledrivehttprequestsplitoutwebhook

New to n8n?

n8n is a free, open-source workflow automation tool. Self-host it or use the cloud version.

Get n8n Free →

Related Invoice Processing Workflows

COCOEMEX+5
medium

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