curl --request GET \
  --url https://{companyName}.api.joinluminous.com/external/api/v1/purchase-orders/{purchaseOrderId}/shipments/{shipmentId} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": 123,
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "reference_number": "<string>",
    "total_shipping_cost": 123,
    "shipping_date": "2023-11-07T05:31:56Z",
    "warehouse_id": 123,
    "shipment_status_id": 123,
    "sync_status": "<string>",
    "last_synced_at": "2023-11-07T05:31:56Z",
    "last_synced_status": "<unknown>",
    "shipment_status": {
      "id": 123,
      "name": "<string>"
    },
    "warehouse": {
      "id": 123,
      "status": "<string>",
      "name": "<string>",
      "parent_id": 123,
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    },
    "shipment_items": [
      {
        "id": 123,
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z",
        "supplier_purchase_order_shipment_id": 123,
        "supplier_purchase_order_id": 123,
        "supplier_purchase_order_item_id": 123,
        "quantity": 123,
        "unit_of_measure_id": 123
      }
    ],
    "shipment_extra_costs": [
      {
        "id": 123,
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z",
        "supplier_purchase_order_shipment_id": 123,
        "name": "<string>",
        "quantity": 123,
        "unit_price": 123,
        "line_total": 123,
        "cost_allocation_type": "<string>"
      }
    ]
  }
}