Monitor website changes with Google Sheets, Gemini, 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 AI workflow has 17 nodes and runs on a schedule (every 10 minutes). Along the way it connects Google Sheets, Google Gemini Chat Model and Telegram.
How it runs
Trigger: On a schedule (every 10 minutes).
- Read Watchlist from Sheets (Google Sheets): uses Google Sheets
- Filter: keeps only the items that match a condition
- Fetch Page Content (HTTP Request): calls an HTTP API
- Extract HTML Text (HTML): parses or builds HTML
- Set Clean Text (Edit Fields (Set)): sets 1 field: clean_text
- Set Watch Text (Edit Fields (Set)): sets 1 field: watch_text
- Generate Page Hash (Crypto): hashes or encrypts values
- Build Page Record (Edit Fields (Set)): sets 8 fields: row_number, name, url…
- Filter: keeps only the items that match a condition
- Prepare Diff Prompt (Edit Fields (Set)): sets 1 field: prompt
…plus 5 more steps. See the full node list below.
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 (10)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Google Sheets
n8n-nodes-base.googleSheets - Filter
n8n-nodes-base.filter - HTTP Request
n8n-nodes-base.httpRequest - HTML
n8n-nodes-base.html - Edit Fields (Set)
n8n-nodes-base.set - Crypto
n8n-nodes-base.crypto - Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - Telegram
n8n-nodes-base.telegram
From the author
Quick overview Youtube Video: https://youtu.be/WtFDI9nxrOk This workflow checks a Google Sheets URL watchlist every 10 minutes, fetches each page, removes common “noisy” dynamic text, and detects meaningful changes using Google Gemini before sending Telegram…