curl https://api.goshippo.com/live-rates/settings/parcel-template \
  -H "Authorization: ShippoToken <API_TOKEN>" \
  -H "Content-Type: application/json"

{
  "result": {
    "distance_unit": "in",
    "height": "6",
    "length": "10",
    "name": "My Custom Template",
    "weight": "12",
    "weight_unit": "lb",
    "width": "8",
    "object_created": "2013-12-11T19:38:09.729Z",
    "object_id": "b958d3690bb04bb8b2986724872750f5",
    "object_owner": "shippotle@shippo.com",
    "object_updated": "2013-12-12T19:38:09.729Z",
    "template": {
      "carrier": "FedEx",
      "distance_unit": "in",
      "height": "1.5",
      "is_variable_dimensions": false,
      "length": "12.375",
      "name": "FedEx® Small Box (S1)",
      "token": "FedEx_Box_Small_1",
      "width": "10.875"
    }
  }
}