$ch = curl_init();
$jsonString = json_encode( $data );
curl_setopt( $ch, CURLOPT_POSTFIELDS, $jsonString );
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT');
curl_setopt($ch, CURLOPT_FRESH_CONNECT, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
   'Content-Type: application/json; charset=utf-8',
   'Content-Length: ' . strlen($jsonString))
);
curl_setopt($ch, CURLOPT_URL, $url);
$respond = curl_exec($ch);

Request starting HTTP/1.1 PUT [URI] application/json; charset=utf-8 477
Executing action method [ACTION] with arguments (500, [MODEL]) - ModelState is Valid

Request starting HTTP/1.1 PUT [URI] application/json; charset=utf-8 0
Executing action method [ACTION] with arguments (246, ) - ModelState is Invalid