Generate and track invoices with HubSpot, Gmail, Slack, Sheets, and Notion — n8n Workflow

High complexity Trigger25 nodes🏷️ Invoice Processingby Avkash Kakdiya

Overview

How it works
This workflow triggers when a HubSpot deal stage changes to Closed Won and automatically generates an invoice. It collects deal and contact data, builds a styled invoice, converts it into a PDF, and sends it to the client. The system logs all invoices and alerts the team, then monitors payment status with automated reminders. If payment is delayed, it escalates the issue and handles errors separately.

Step-by-step

Trigger and data collection**
HubSpot - Deal Trigger – Star

Nodes used

Google SheetsHTTP RequestSlackGmailNotionCode

Workflow Preview

Automated Invoice & Follow-Up System
How it works
This workflow triggers when a HubSpot deal is marked as
Trigger & Data Collection
Triggers on deal stage change.
Fetches deal + contact details from HubSpot.
Invoice Generation
Builds invoice data and creates styled HTML.
Send & Store Invoice
Converts to PDF, logs in systems,
emails client, and alerts team.
Send & Store Invoice
Converts to PDF, logs in systems,
emails client, and alerts team.
Escalation & Errors
Handles overdue invoices and workflow failures.
Alerts team and updates records.
Error Handling
Captures any workflow failure
and sends alert to Slack for quick action.
🎯 HubSpot - Deal Trigger
🔀 IF - Is Deal Closed W…
🏷️ HTTP - Get Deal Deta…
🔗 HTTP - Get Deal Assoc…
⚙️ Code - Extract Contac…
👤 HTTP - Get Contact De…
📄 Code - Build Invoice …
🖨️ HTTP - Generate PDF
📊 Google Sheets - Log I…
📓 Notion - Create Invoi…
📧 Gmail - Send Invoice …
💬 Slack - Invoice Sent …
⏳ Wait - 7 Day Payment W…
🔍 HTTP - Recheck Deal S…
🔀 IF - Payment Received?
✅ Slack - Payment Confir…
📧 Gmail - Follow-up Ema…
⏳ Wait - 5 More Days
🔍 HTTP - Final Payment …
🔀 IF - Still Unpaid? (E…
🚨 Slack - Escalation Al…
📓 Notion - Flag as Over…
✅ Slack - Late Payment C…
⚡ Error Trigger
🚨 Slack - Workflow Erro…
25 nodes23 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a trigger trigger.

  2. 2

    Process

    Data flows through 25 nodes, connecting code, errortrigger, gmail.

  3. 3

    Output

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

Node Details (25)

GO

Google Sheets

googleSheets

#1
HT

HTTP Request

httpRequest

#2
SL

Slack

slack

#3
GM

Gmail

gmail

#4
NO

Notion

notion

#5
CO

Code

code

#6

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-and-track-invoices-with-hubspot-gmail-slack-sheets-and-notion 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 and track invoices with HubSpot, Gmail, Slack, Sheets, and Notion", "nodes": [...], ...}

Integrations

codeerrortriggergmailgooglesheetshttprequesthubspottriggerifnotionslackwait

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes25
Complexityhigh
Triggertrigger

Created by

Avkash Kakdiya

Avkash Kakdiya

@itechnotion

Tags

codeerrortriggergmailgooglesheetshttprequesthubspottriggerifnotionslackwait

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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