/pins.list

{
  "items": [
    {
      "channel": "C2U86NC6H",
      "created": 1508881078,
      "created_by": "U2U85N1RZ",
      "message": {
        "permalink": "https://hitchhikers.slack.com/archives/C2U86NC6H/p1508197641000151",
        "pinned_to": [
          "C2U86NC6H"
        ],
        "text": "What is the meaning of life?",
        "ts": "1508197641.000151",
        "type": "message",
        "user": "U2U85N1RZ"
      },
      "type": "message"
    },
    {
      "channel": "C2U86NC6H",
      "created": 1508880991,
      "created_by": "U2U85N1RZ",
      "message": {
        "permalink": "https://hitchhikers.slack.com/archives/C2U86NC6H/p1508284197000015",
        "pinned_to": [
          "C2U86NC6H"
        ],
        "text": "The meaning of life, the universe, and everything is 42.",
        "ts": "1503289197.000015",
        "type": "message",
        "user": "U2U85N1RZ"
      },
      "type": "message"
    }
  ],
  "ok": true
}