Check invoice contract price compliance with Google Sheets and Telegram alerts
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 7 nodes and runs on Google Sheets events (row added). Along the way it connects Google Sheets and Telegram.
How it runs
Trigger: On Google Sheets events (row added).
- Read Contract Prices from Sheets (Google Sheets): uses Google Sheets
- Compare Invoice and Contract Prices (Code): runs custom JavaScript code
- Append to Overcharge Report Sheet (Google Sheets): append
- Check Overcharge or Missing Rate (If): checks a condition and branches into true / false
- Alert Overcharge via Telegram (Telegram): uses Telegram
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)
- Google Sheets Trigger
n8n-nodes-base.googleSheetsTrigger - Google Sheets
n8n-nodes-base.googleSheets - Code
n8n-nodes-base.code - If
n8n-nodes-base.if - Telegram
n8n-nodes-base.telegram - No Operation, do nothing
n8n-nodes-base.noOp
From the author
Quick overview This workflow monitors a Google Sheets Invoices tab for new rows, compares each line’s invoiced unit price against the agreed contract price in a Contract Prices tab, logs the result to an Overcharge Report tab, and sends Telegram alerts only…