curl -X POST "https://staging-api.loyalty.lt/lt/shop/xml-import/validate" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: your_api_key" \
  -H "X-API-Secret: your_api_secret" \
  -d '{
    "xml_url": "https://example.com/products.xml"
  }'

{
  "success": true,
  "code": 200,
  "request_id": "550e8400-e29b-41d4-a716-446655440000",
  "message": "XML validation completed",
  "data": {
    "is_valid": true,
    "product_count": 250,
    "structure": {
      "detected_path": "products/product",
      "sample_fields": [
        {
          "name": "id",
          "value": "12345",
          "has_children": false
        },
        {
          "name": "name",
          "value": "Samsung Galaxy S24",
          "has_children": false
        },
        {
          "name": "price",
          "value": "899.00",
          "has_children": false
        },
        {
          "name": "categories",
          "value": "Complex element",
          "has_children": true
        }
      ]
    },
    "errors": []
  }
}