Scheduled website uptime monitor with Slack alert
Needs changesNeeds changes. This template uses 1 thing(s) that n8n 3.0 removes: Cron. 1 breaking item(s) found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 4 nodes and runs on a schedule (legacy Cron node). Along the way it connects Slack.
How it runs
Trigger: On a schedule (legacy Cron node).
- Check Website HTTP Status (HTTP Request): calls an HTTP API
- If: checks a condition and branches into true / false
- Send a message (Slack): uses Slack
Services it uses
Before you upgrade to n8n 3.0
1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:
- Cron in Schedule Monitor (Every Hour): replace with Schedule Trigger.
Rather not rewrite it? Many of these flows can be rebuilt in Make (free plan).
| Removed in 3.0 | Replace with |
|---|---|
| Cron Schedule Monitor (Every Hour) | Schedule Trigger |
Nodes used (4)
- Cron
n8n-nodes-base.cron - HTTP Request
n8n-nodes-base.httpRequest - If
n8n-nodes-base.if - Slack
n8n-nodes-base.slack
From the author
Overview This workflow periodically checks the status of a website. If the website is not reachable (returns an error or non-2xx status code), it sends an alert to a specified Slack channel. Use Case: Monitor your website, client websites, or critical APIs…