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n8n canvas: five-minute schedule, URL list, HTTP check, If node, incident sheet, Slack and Gmail
Type
Automation workflow
Price
Free
Difficulty
Intermediate
Updated
November 6, 2026

Overview

Every five minutes the workflow checks each URL in a list. A request that does not return status 200, or gets no reply within five seconds, counts as an incident.

Each incident is saved as a row in a Google Sheet with the time it was seen. The team is then alerted in Slack and the owner receives an email, so the page can be fixed before customers report it.

Useful for

  • Watch your homepage, pricing and checkout pages
  • Keep a log of outages to review after a bad week
  • Get a Slack alert without paying for a separate monitoring service

What's included

  • An n8n workflow with 9 nodes, ready to import
  • Trigger: Every 5 minutes
  • Connects HTTP, Sheets, Slack, Gmail
  • Sticky notes on the canvas that explain what to set up
  • No credentials inside: you connect your own accounts

How to use it

  1. 1

    Download the workflow JSON.

  2. 2

    In n8n, create a workflow, open the … menu, choose Import from File and select the JSON.

  3. 3

    Replace the example URLs on URL list, and create the incident sheet with the columns the sticky note lists.

  4. 4

    Connect Google Sheets, Slack and Gmail on the nodes the sticky note names.

  5. 5

    Run Test workflow once to see a healthy check, then activate it.

What you need

Requirements

  • An n8n instance (cloud or self-hosted, version 1.x), kept running so the schedule works
  • A Google account for the sheet, a Slack workspace and a Gmail account

Works with

  • n8n 1.x (cloud or self-hosted)

Questions

Is this n8n workflow free?

Yes. Download the JSON and import it into your own n8n. There is no sign-up and no cost.

Does it include any credentials?

No. The file has no keys, tokens or real addresses. You connect your own accounts after importing.

Can I check more pages?

Yes. Add more URLs to the list on URL list. Every URL gets its own check on each run.

  • #devops-automation
  • #website-uptime-monitor
  • #n8n
  • #automation
  • #workflow-template
  • #free-template

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