Reddit API и cURL создания учетной записи?

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL,"https://www.reddit.com/post/reg");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS,
            "user=valueuser1&passwd=value2password&passwd2=value2password");


curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$server_output = curl_exec ($ch);

curl_close ($ch);

if ($server_output == "OK") { 
echo "true";} else { echo "false"; }