curl --request GET \
  --url 'https://api.stateset.com/api/v1/purchase-orders/{id}/items' \
  --header 'Authorization: Bearer YOUR_API_KEY'

{
  "items": [
    {
      "created_at": "string",
      "id": "string",
      "line_total": "string",
      "name": "string",
      "product_id": null,
      "purchase_order_id": "string",
      "quantity_ordered": "string",
      "quantity_received": "string",
      "sku": "string",
      "supplier_sku": null,
      "unit_cost": "string"
    }
  ],
  "total": 1
}