Automated Invoice Payment Reminders with Google Sheets and Gmail — n8n Workflow

Low complexity⏰ Scheduled5 nodes🏷️ Invoice Processingby Marth - Business Automation

Overview

How It Works ⚙️

This workflow systematically ensures you never miss sending an invoice reminder:

Daily Schedule Trigger: ⏰ The workflow starts automatically at a set time each day (e.g., every morning). This ensures continuous monitoring of your invoice statuses. Read Invoice Data (Google Sheets): 📊 The workflow connects to your specified Google Sheet to retrieve a list of all your invoices and their details. Ensure your sheet has required columns like InvoiceID, ClientName, ClientEmail, Amoun

Nodes used

Google SheetsGmail

Workflow Preview

Flow

Workflow Documentation: Automated Invoice Rem

Problem 😩

Businesses often struggle with delayed payments due to

⚡

1. Daily Schedule Trigger

2. Read Invoice Data (Go…

3. Filter & Prepare Remi…

4. If Invoices to Remind?

5. Send Invoice Reminder…

5 nodes4 edges

How it Works

1
Trigger
The workflow starts with a scheduled trigger, running on a defined schedule.
2
Process
Data flows through 5 nodes, connecting function, gmail, googlesheets.
3
Output
The workflow completes its automation and delivers the result to the configured destination.

Node Details (5)

Google Sheets

googleSheets

Gmail

gmail

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 automated-invoice-payment-reminders-with-google-sheets-and-gmail 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": "Automated Invoice Payment Reminders with Google Sheets and Gmail", "nodes": [...], ...}

Integrations

functiongmailgooglesheetsifscheduletrigger

Get This Workflow

Download and import in one click

Download JSON View on n8n.io

Nodes5

Complexitylow

Triggerscheduled

CategoryInvoice Processing

Created by

Marth - Business Automation

@marth

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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