Templates / Send automated invoice payment reminders with Gmail, Google Sheets and Twilio

Send automated invoice payment reminders with Gmail, Google Sheets and Twilio

Ready for 3.0

by Neal Mcleod ✓ · 227 views · created 2025-12-18 · Invoice Processing

Ready 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 17 nodes and runs when someone submits an n8n form (“Invoice”). Along the way it connects Gmail, Google Sheets and Twilio.

How it runs

Trigger: When someone submits an n8n form (“Invoice”).

  1. Wait: waits 7 days
  2. Check Payment Status in Sheet - Day (Google Sheets): uses Google Sheets
  3. If: checks a condition and branches into true / false
  4. Send First Payment Reminder (Gmail): uses Gmail
  5. Send First SMS Reminder (Optional) (Twilio): uses Twilio
  6. Wait: waits 2 days
  7. Check Payment Status in Sheet - Day (Google Sheets): uses Google Sheets
  8. If: checks a condition and branches into true / false
  9. Send Second Payment Reminder Email (Gmail): uses Gmail
  10. Send Second SMS Reminder (Optional) (Twilio): uses Twilio

…plus 5 more steps. See the full node list below.

Services it uses

GmailGoogle SheetsTwilio

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 (7)

From the author

This workflow streamlines accounts receivable management by automatically monitoring invoices in Google Sheets and sending scheduled payment reminders. It is designed for businesses using Gmail and Google Sheets that need a scalable alternative to complex…

Excerpt from Neal Mcleod's description on n8n.io.

View the original on n8n.io → Check your own copy

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