Send weekly overdue invoice reminders with Google Sheets and Gmail
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 10 nodes and runs on a schedule (cron 0 8 * * 1). Along the way it connects Google Sheets and Gmail.
How it runs
Trigger: On a schedule (cron 0 8 * * 1).
- Configure (Edit Fields (Set)): sets 2 fields: sheetUrl, overdueThreshold
- Read Invoice Sheet (Google Sheets): read (sheet)
- Capture Row Index (Edit Fields (Set)): sets 1 field: row_number
- Filter: keeps only the items that match a condition
- Calculate Days Overdue (Edit Fields (Set)): sets 1 field: joursRetard
- Filter: keeps only the items that match a condition
- Send Reminder Email (Gmail): send (message)
- Prepare Row Update (Edit Fields (Set)): sets 2 fields: row_number, Client
- Update Invoice Status (Google Sheets): update (sheet)
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (5)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Edit Fields (Set)
n8n-nodes-base.set - Google Sheets
n8n-nodes-base.googleSheets - Filter
n8n-nodes-base.filter - Gmail
n8n-nodes-base.gmail
From the author
Quick Overview This workflow runs every Monday at 08:00, reads invoices from Google Sheets, filters for unpaid invoices with no prior follow-up and more than 7 days overdue, sends an HTML reminder email via Gmail, and updates the sheet to mark the invoice as…