curl --request POST \
  --url 'https://api.stateset.com/api/v1/orders/{id}/items' \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{}'

{
  "data": {
    "discount": "5.00",
    "id": "item-550e8400-e29b-41d4",
    "product_id": "prod-abc123",
    "product_name": "Wireless Bluetooth Headphones",
    "quantity": 2,
    "sku": "WBH-BLK-001",
    "tax_amount": "7.60",
    "tax_rate": "0.08",
    "total_price": "99.98",
    "unit_price": "49.99"
  },
  "errors": null,
  "message": null,
  "meta": null,
  "success": true
}