Website Monitoring, Scheduling, and Email Alerts Template

This n8n workflow provides a robust solution for regularly monitoring a website and sending email alerts if the website becomes unavailable. It's designed to help you stay informed about the uptime status of your critical web services.

What it does

This workflow automates the following steps:

1. Schedules Checks: It triggers at a predefined interval to initiate a website status check.
2. Performs HTTP Request: It makes an HTTP GET request to a specified website URL to check its availability.
3. Checks Response Status: It evaluates the HTTP response status code to determine if the website responded successfully (e.g., status 200).
4. Sends Email Alert (if down): If the website does not respond with a successful status code, it sends an email notification to a configured recipient, informing them of the issue.

Prerequisites/Requirements

To use this workflow, you will need:

• n8n Instance: A running instance of n8n.
• Email (SMTP) Credentials: Configured SMTP credentials within n8n to send email alerts. This typically involves an email address, host, port, and authentication details.

Setup/Usage

1. Import the Workflow:

   • Copy the provided JSON code.
   • In your n8n instance, click on "Workflows" in the left sidebar.
   • Click "New" or the "+" icon to create a new workflow.
   • Click the "Import from JSON" button (usually a cloud icon with an arrow pointing down or a paste icon).
   • Paste the JSON code and click "Import".

2. Configure the Schedule Trigger:

   • Locate the "Schedule Trigger" node.
   • Double-click it to open its settings.
   • Set your desired interval for website checks (e.g., every 5 minutes, hourly, daily).

3. Configure the HTTP Request Node:

   • Locate the "HTTP Request" node.
   • Double-click it to open its settings.
   • In the "URL" field, enter the URL of the website you want to monitor.
   • (Optional) You might want to adjust other settings like "Timeout" if the website is known to be slow.

4. Configure the If Node:

   • Locate the "If" node.
   • Double-click it to open its settings.
   • Ensure the condition correctly checks the HTTP status code from the "HTTP Request" node. A common setup is to check if {{ $json.statusCode }} is not equal to 200 (or a range of success codes).

5. Configure the Send Email Node:

   • Locate the "Send Email" node.
   • Double-click it to open its settings.
   • Credentials: Select your pre-configured Email (SMTP) credentials. If you haven't set them up, go to "Credentials" in n8n, click "New Credential", and choose "Email (SMTP)".
   • To: Enter the email address(es) where you want to receive alerts.
   • From: Enter the sender email address.
   • Subject: Customize the email subject, e.g., "Website Down Alert: [Your Website Name]".
   • Text: Customize the email body with details about the website that is down, potentially including the status code received. You can use expressions like Website {{ $('HTTP Request').item.json.request.url }} is down! Status: {{ $('HTTP Request').item.json.statusCode }}.

6. Activate the Workflow:

   • Once all configurations are complete, click the "Active" toggle in the top right corner of the workflow editor to enable the workflow.