curl --request GET \
  --url https://api.hubapi.com/crm/v3/pipelines/{objectType} \
  --header 'Authorization: Bearer <token>'

{
  "results": [
    {
      "label": "My ticket pipeline",
      "displayOrder": 0,
      "createdAt": "2019-10-30T03:30:17.883Z",
      "updatedAt": "2019-12-07T16:50:06.678Z",
      "archived": false,
      "id": "812723471",
      "stages": [
        {
          "label": "In Progress",
          "displayOrder": 0,
          "metadata": {
            "ticketState": "OPEN"
          },
          "createdAt": "2019-10-30T03:30:17.883Z",
          "updatedAt": "2019-12-07T16:50:06.678Z",
          "archived": false,
          "id": "1234912"
        },
        {
          "label": "Done",
          "displayOrder": 0,
          "metadata": {
            "ticketState": "CLOSED"
          },
          "createdAt": "2019-10-30T03:30:17.883Z",
          "updatedAt": "2019-12-07T16:50:06.678Z",
          "archived": false,
          "id": "1234914"
        }
      ]
    }
  ]
}