Send overdue invoice reminders and aging reports from Google Sheets with 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 9 * * 1-5). Along the way it connects Google Sheets and Gmail.
How it runs
Trigger: On a schedule (cron 0 9 * * 1-5).
- Set reminder settings (Edit Fields (Set)): sets 9 fields: company_name, sender_name, finance_email…
- Get invoices from sheet (Google Sheets): uses Google Sheets
- Pick reminder stage per invoice (Code): runs custom JavaScript code
- Build weekly aging summary (Code): runs custom JavaScript code
- Escalate to a person? (If): checks a condition and branches into true / false
- Email aging report to finance (Gmail): send (message)
- Email account manager (Gmail): send (message)
- Email reminder to customer (Gmail): send (message)
- Log sent stage in sheet (Google Sheets): update
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 (6)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Edit Fields (Set)
n8n-nodes-base.set - Google Sheets
n8n-nodes-base.googleSheets - Code
n8n-nodes-base.code - If
n8n-nodes-base.if - Gmail
n8n-nodes-base.gmail
From the author
Quick Overview This workflow runs every weekday, reads open invoices from Google Sheets, and uses Gmail to send staged overdue payment reminders or escalation emails. It also sends a weekly receivables aging report to a finance inbox and logs each sent…