<?php	
   /* REST keys taken from REST APIs Reference tab in control interface of Epom Server */
   $rest_publickey  = '81535ee0e7678a5f';
   $rest_privatekey = '2b1460c932d85e16';
   $rest_timestamp  = time()*1000;

   /* Data of user that should be rigistered through API */
   $user_name      = 'TesTest_api223';
   $password       = '1234567';
   $email          = 'test_api@test.com';
   $aclRole        = '3';
   $phone          = '1231231234';
   $first_name     = 'TesTest1234';
   $last_name      = 'TesTest123';

   /* Hash for request authentication and validation */
   $hash = md5($user_name.$password.$email.$rest_privatekey.$rest_timestamp);

   /* REST API mount point for use registration */
    $rest_url = "https://platform.wingatemedia.com/rest-api/user-sign-up/$rest_publickey/$hash/$rest_timestamp.do";
    
   /* Data being posted */
    $post_data = array(
       'username'       => $user_name,
       'password'       => $password,
       'email'          => $email,
       'aclRole'        => $aclRole,
       'phone'          => $phone,
       'firstName'      => $first_name,
       'lastName'       => $last_name,
       'websiteUrl'     => $website_url       
   );
   
    /* Options of HTTP request; http key should be used when posting to https url */
   $options = array(
       'http' => array(
           'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
           'method'  => 'POST',
           'content' => http_build_query($post_data)
       )
   );
   
   /* Actual call to REST URL */
   $context  = stream_context_create($options);
   $result   = file_get_contents($rest_url, false, $context);

   echo "$result\n";
?>

 public void SingIn(string _user_name, string _password, string _email, string _aclRole, string _phone, string _first_name, string _last_name, string _website_url)
        {
            string WebResponse;
             /* REST keys taken from REST APIs Reference tab in control interface of  Server */
            string rest_publickey = "01010101010101";
            string rest_privatekey = "1010101010101";

            DateTime UNIX_EPOCH = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
            long rest_timestamp = (long)((DateTime.UtcNow - UNIX_EPOCH).TotalSeconds) *1000;

            /* Data of user that should be rigistered through API */
            string user_name = _user_name;
            string password = _password;
            string email = _email;
            string aclRole = _aclRole;
            string phone = _phone;
            string first_name = _first_name;
            string last_name = _last_name;
            string website_url = _website_url;

            /* Hash for request authentication and validation */
            string sCrcBase = string.Format("{0}.{1}.{2}.{3}.{4}", user_name, password, email, rest_privatekey, rest_timestamp);
            System.Security.Cryptography.MD5CryptoServiceProvider md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
            byte[] bSignature = md5.ComputeHash(Encoding.ASCII.GetBytes(sCrcBase));
            StringBuilder sbSignature = new StringBuilder();
            foreach (byte b in bSignature)
                sbSignature.AppendFormat("{0:x2}", b);
            string hash = sbSignature.ToString();

            /* REST API mount point for use registration */
            string rest_url = "https://site.com/rest-api/user-sign-up/" + rest_publickey + "/" + hash + "/" + rest_timestamp.ToString() + ".do";

            Dictionary<string, string> post_data = new Dictionary<string, string>();
            post_data.Add("username", user_name);
            post_data.Add("password", password);
            post_data.Add("email", email);
            post_data.Add("aclRole", aclRole);
            post_data.Add("phone", phone);
            post_data.Add("firstName", first_name);
            post_data.Add("lastName", last_name);
            post_data.Add("websiteUrl", website_url);

            NameValueCollection nvc = new NameValueCollection();
            foreach (var kvp in post_data)
            {
                nvc.Add(kvp.Key.ToString(), kvp.Value.ToString());
            }

            var post_data_to_send = ToQueryString(nvc);

            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(rest_url);
            request.Method = "POST";
            request.ContentType = "Content-type: application/x-www-form-urlencoded\r\n";
            request.ContentLength = post_data_to_send.Length;
            var requestStream = request.GetRequestStream();

            requestStream.Write(post_data_to_send, 0, post_data_to_send.Length);
            requestStream.Close();

            HttpWebResponse resp = (HttpWebResponse)request.GetResponse();
           
            using (StreamReader stream = new StreamReader(resp.GetResponseStream(), Encoding.UTF8))
            {
                WebResponse = stream.ReadToEnd();
            }

        }

        private byte[] ToQueryString(NameValueCollection nvc)
        {
            var array = (from key in nvc.AllKeys
                         from value in nvc.GetValues(key)
                         select string.Format("{0}={1}", HttpUtility.UrlEncode(key), HttpUtility.UrlEncode(value)))
                .ToArray();
            return Encoding.Unicode.GetBytes("?" + string.Join("&", array));
        }