List all webhooks

{
  "webhooks": [
    {
      "cdate": "2016-01-01T12:00:00-00:00",
      "listid": "0",
      "name": "My Hook",
      "url": "http://example.com/my-hook",
      "events": [
        "subscribe",
        "unsubscribe",
        "sent"
      ],
      "sources": [
        "public",
        "system"
      ],
      "links": [],
      "id": "1"
    },
    {
      "cdate": "2016-01-01T12:00:00-00:00",
      "listid": "0",
      "name": "My Hook 2",
      "url": "http://example.com/my-hook-2",
      "events": [
        "subscribe"
      ],
      "sources": [
        "admin"
      ],
      "links": [],
      "id": "2"
    },
  ],
  "meta": {
    "total": "2"
  }
}