$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => 'https://api.fatora.io/v1/products/669',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => '',
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 0,
  CURLOPT_FOLLOWLOCATION => true,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => 'PUT',
  CURLOPT_POSTFIELDS => '{
    "name": "Updated Item Name",
    "price": 29.99,
    "sku": "UpdatedSKU123",
    "image": "https://example.com/updated-sample-image.jpg",
    "description": "This is an updated item description.",
    "language": "en",
    "currency": "QAR",
    "status": "Normal",
    "category": "UpdatedCategory1",
    "setting": {
      "is_public": false,
      "is_limited": true,
      "is_casheir": false,
      "max_count": 20,
      "max_order": 5
    }
  }',
  CURLOPT_HTTPHEADER => array(
    'api_key: E4B73FEE-F492-4607-A38D-852B0EBC91C9',
    'Content-Type: application/json'
  ),
));

$response = curl_exec($curl);

curl_close($curl);
echo $response;

// Define the API endpoint URL.
string apiUrl = "https://api.fatora.io/v1/products/669";

// Define the API key.
string apiKey = "E4B73FEE-F492-4607-A38D-852B0EBC91C9";

var product = new Product
{
    name = "Updated Item Name",
    code = "Product Code",
    category = "UpdatedCategory1",
    currency = "QAR",
    status = "Normal",
    language = "ar",
    sku = "UpdatedSKU123",
    price = 100.0,
    image = "https://example.com/updated-sample-image.jpg",
    description = "This is an updated item description.",
    setting = new ProductSetting
    {
        is_casheir = false,
        is_limited = true,
        is_public = false,
        max_count = 20,
        max_order = 5
    }
};

// Serialize the Product object to JSON.
string jsonPayload = JsonConvert.SerializeObject(product);

// Create a WebRequest.
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(apiUrl);

// Set the request method to PUT.
request.Method = "PUT";

// Set the API key header.
request.Headers.Add("api_key", apiKey);

// Set the request content type.
request.ContentType = "application/json";

// Convert the JSON payload to bytes.
byte[] data = Encoding.UTF8.GetBytes(jsonPayload);

// Set the content length.
request.ContentLength = data.Length;

// Get the request stream and write the JSON data to it.
using (var stream = request.GetRequestStream())
{
    stream.Write(data, 0, data.Length);
}

try
{
    // Get the response.
    using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
    {
        if (response.StatusCode == HttpStatusCode.OK)
        {
            // Read the response data.
            using (var responseStream = response.GetResponseStream())
            using (var reader = new StreamReader(responseStream))
            {
                string responseContent = reader.ReadToEnd();
                Console.WriteLine("API Response: " + responseContent);
            }
        }
        else
        {
            Console.WriteLine("API Request failed with status code: " + response.StatusCode);
        }
    }
}
catch (WebException ex)
{
    Console.WriteLine("API Request failed with an exception: " + ex.Message);
}

{
"status":"SUCCESS",
"product":{
    "id":669,
    "name":"Product Name",
    "price":102.0,
    "sku":null,
    "image":"https://domain.com/itm/ckk00242023-X5PBR.jpg",
    "qr_code":"https://api.qrserver.com/v1/create-qr-code/?data=&size=50x50",
    "description":"Product Description",
    "setting":{
        "is_public":false,
        "is_limited":false,
        "is_casheir":false,
        "max_count":0.00,
        "max_order":0
    },
    "creation_date":"2023-10-21T09:51:59.933",
    "category":"Category1",
    "language":"ar",
    "currency":"QAR",
    "link":"https://example.com/sample-link",
    "status":"Normal"
}
}