Cloud Services

Cloudflare SSL Expiration Monitor

Prevent downtime caused by expired certificates. This workflow periodically scans a list of active domains, fetches SSL metadata, and posts high-priority alerts to Slack if a domain certificate is set to expire within 14 days.

#Cloudflare

#SSL

#Monitor

#Slack

#Security

Automation Logic

n8n JSON Blueprint

This workflow is pre-configured and ready for deployment. Simply import the JSON template into your n8n instance and configure your credentials.

This is an exclusive blueprint. Copy the JSON below to use it.

QUICK DEPLOY

1
Download the .json file
2
Open n8n & click "Import"
3
Configure your API keys

PRO TIP

Always test your workflow in a development environment before pushing to production.

JSON BLUEPRINT

n8n-workflow.json

{
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "days",
              "value": 1
            }
          ]
        }
      },
      "name": "Daily Run",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1,
      "position": [
        100,
        300
      ]
    },
    {
      "parameters": {
        "url": "https://api.sslchecker.com/check/my-domain.com"
      },
      "name": "Check SSL API",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4,
      "position": [
        300,
        300
      ]
    },
    {
      "parameters": {
        "conditions": {
          "number": [
            {
              "value1": "={{$json.daysLeft}}",
              "operation": "smaller",
              "value2": 14
            }
          ]
        }
      },
      "name": "Expires Soon?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 1,
      "position": [
        500,
        300
      ]
    },
    {
      "parameters": {
        "select": "channel",
        "channelId": "ops-alerts",
        "text": "⚠️ SSL Certificate warning: Domain my-domain.com expires in {{$node[\"Check SSL API\"].json.daysLeft}} days!"
      },
      "name": "Slack Warning",
      "type": "n8n-nodes-base.slack",
      "typeVersion": 2,
      "position": [
        700,
        200
      ]
    }
  ],
  "connections": {
    "Daily Run": {
      "main": [
        [
          {
            "node": "Check SSL API",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check SSL API": {
      "main": [
        [
          {
            "node": "Expires Soon?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Expires Soon?": {
      "main": [
        [
          {
            "node": "Slack Warning",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

To use this, copy the JSON above and paste it directly onto your n8n canvas.

IMPLEMENTATION GUIDE

Required Nodes

Cloudflare Node
SSL Node
Monitor Node
Slack Node
Security Node
Cron / Webhook Trigger

Core Benefits

100% Automated Execution
Reduces Manual Data Entry
Infinite Scalability

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