URL Pinger

{
  "id": "F2AEknC2Kc3ujuX4",
  "meta": {
    "instanceId": "8437bf0b955ff2039c820e1d56f4a2d7ce67e59f0897cc8ac064cfea1d9dbec6"
  },
  "name": "URL Pinger",
  "tags": [],
  "nodes": [
    {
      "id": "5b3b5251-d460-4eae-a931-e4772749a927",
      "name": "Split Out",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        900,
        460
      ],
      "parameters": {
        "options": {
          "destinationFieldName": "url"
        },
        "fieldToSplitOut": "urls"
      },
      "typeVersion": 1
    },
    {
      "id": "b19bec9b-de09-42a7-8576-2cef3e0f9288",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        460,
        460
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes",
              "minutesInterval": 15
            }
          ]
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "584a4340-7053-4afd-ae3e-f0c1f2de2586",
      "name": "HTTP Request",
      "type": "n8n-nodes-base.httpRequest",
      "onError": "continueRegularOutput",
      "position": [
        1100,
        460
      ],
      "parameters": {
        "url": "={{ $json.url }}",
        "options": {}
      },
      "typeVersion": 4.2
    },
    {
      "id": "d53b8c24-7408-4e09-8360-f13ecfa5deca",
      "name": "URLs List",
      "type": "n8n-nodes-base.set",
      "position": [
        680,
        460
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "9e5e8792-c5ee-4ce2-9a9a-0b3ad274cae6",
              "name": "urls",
              "type": "array",
              "value": "={{ ['http://firsturl.com', 'https://secondurl.com', 'https://thirdurl.com'] }}"
            }
          ]
        }
      },
      "typeVersion": 3.3
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "71356023-fe84-4b30-9df8-3c5dc25fbcca",
  "connections": {
    "Split Out": {
      "main": [
        [
          {
            "node": "HTTP Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "URLs List": {
      "main": [
        [
          {
            "node": "Split Out",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "URLs List",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}