curl --request GET \
  --url https://api.hubapi.com/crm-pipelines/v1/pipelines/{object_type}

{
  "results": [
    {
      "pipelineId": "<string>",
      "createdAt": 123,
      "updatedAt": 123,
      "objectType": "DEAL",
      "label": "<string>",
      "displayOrder": 123,
      "active": true,
      "default": true,
      "stages": [
        {
          "stageId": "<string>",
          "createdAt": 123,
          "updatedAt": 123,
          "label": "<string>",
          "displayOrder": 123,
          "active": true,
          "metadata": {
            "probability": 0.5
          }
        }
      ]
    }
  ]
}