curl --request GET \
  --url https://app.getswipe.in/api/partner/v2/product/{item_id} \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "message": "Message",
  "error_code": "",
  "errors": {},
  "data": {
    "id": "ITEM123",
    "name": "Item Name",
    "quantity": 1,
    "unit_price": 100,
    "price_with_tax": 118,
    "item_type": "Product",
    "tax_rate": 18,
    "purchase_price_with_tax": 118,
    "description": "Item Description",
    "hsn_code": "1234",
    "unit": "kg",
    "cess_rate": 0,
    "cess_amount": 0,
    "barcode": "2273546838467",
    "category": "Electronics",
    "custom_columns": [
      {
        "label": "Custom Label",
        "value": "Custom Value"
      }
    ],
    "alternative_units": [
      {
        "alternative_unit": "g",
        "conversion_rate": 1000
      }
    ],
    "preferences": {
      "not_for_sale": false,
      "low_stock_alert": 0,
      "show_online": false,
      "discount_percent": 10
    },
    "visibility": 1
  }
}