SSL Certificate Checker with Telegram Alerts

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "id": "110",
  "name": "Get SSL Certificate",
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        240,
        290
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "name": "Create Domain Item",
      "type": "n8n-nodes-base.functionItem",
      "position": [
        450,
        290
      ],
      "parameters": {
        "functionCode": "item.domain = \"n8n.io\";\nreturn item;"
      },
      "typeVersion": 1
    },
    {
      "name": "Get SSL Certificate",
      "type": "n8n-nodes-base.uproc",
      "position": [
        650,
        290
      ],
      "parameters": {
        "tool": "getDomainCertificate",
        "group": "internet",
        "domain": "= {{$node[\"Create Domain Item\"].json[\"domain\"]}}",
        "additionalOptions": {}
      },
      "credentials": {
        "uprocApi": "<your credential>"
      },
      "typeVersion": 1
    },
    {
      "name": "Send Expired Alarm",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1070,
        270
      ],
      "parameters": {
        "text": "=The certificate of the domain {{$node[\"Create Domain Item\"].json[\"domain\"]}} has expired!",
        "chatId": "-1415703867",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": "<your credential>"
      },
      "typeVersion": 1
    },
    {
      "name": "Certificate  has  expired?",
      "type": "n8n-nodes-base.if",
      "position": [
        840,
        290
      ],
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{$node[\"Get SSL Certificate\"].json[\"message\"][\"valid\"]+\"\"}}",
              "value2": "false"
            }
          ]
        }
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "settings": {},
  "connections": {
    "Create Domain Item": {
      "main": [
        [
          {
            "node": "Get SSL Certificate",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get SSL Certificate": {
      "main": [
        [
          {
            "node": "Certificate  has  expired?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "On clicking 'execute'": {
      "main": [
        [
          {
            "node": "Create Domain Item",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Certificate  has  expired?": {
      "main": [
        [
          {
            "node": "Send Expired Alarm",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• telegramApi
• uprocApi

About this workflow

Get SSL Certificate. Uses manualTrigger, functionItem, uproc, telegram. Event-driven trigger; 5 nodes.

Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →

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