Monitor website uptime and SSL expiry with Cert Spotter 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 10 nodes and runs on a schedule (every 5 minutes) (plus 1 other trigger). Along the way it connects Telegram.
How it runs
Trigger: On a schedule (every 5 minutes) (plus 1 other trigger).
- Prepare Site URLs (Code): runs custom JavaScript code
- Prepare Domain List (Code): runs custom JavaScript code
- Get Site Status (HTTP Request): calls an HTTP API
- Get SSL Certificate Info (HTTP Request): calls an HTTP API
- Check for Status Change (Code): runs custom JavaScript code
- Check SSL Expiry (Code): runs custom JavaScript code
- Notify Site Status Change (Telegram): uses Telegram
- Notify SSL Expiry Alert (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 (4)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Code
n8n-nodes-base.code - HTTP Request
n8n-nodes-base.httpRequest - Telegram
n8n-nodes-base.telegram
From the author
Quick overview This workflow monitors website uptime every 5 minutes and SSL certificate expiry daily at 8:00, sending Telegram alerts only when a site changes state (down/recovered) or when a certificate is nearing expiration using Cert Spotter certificate…