Connection successful!

'{"messages":{"resultCode":"Error","message":[{"code":"E00003","text":"Root element is missing."}]}}'array (
  'url' => 'https://api.authorize.net/xml/v1/request.api',
  'content_type' => 'application/json; charset=utf-8',
  'http_code' => 200,
  'header_size' => 391,
  'request_size' => 143,
  'filetime' => -1,
  'ssl_verify_result' => 0,
  'redirect_count' => 0,
  'total_time' => 0.423022,
  'namelookup_time' => 0.150321,
  'connect_time' => 0.183023,
  'pretransfer_time' => 0.378598,
  'size_upload' => 0,
  'size_download' => 102,
  'speed_download' => 241,
  'speed_upload' => 0,
  'download_content_length' => 102,
  'upload_content_length' => 0,
  'starttransfer_time' => 0.422988,
  'redirect_time' => 0,
  'certinfo' => 
  array (
  ),
  'primary_ip' => '64.94.118.84',
  'primary_port' => 443,
  'local_ip' => '104.236.183.13',
  'local_port' => 41770,
  'redirect_url' => '',
)''