Dotaz:

<?php

function SAPI($mt, $rq) {
   $ch = curl_init();
   $op = array(
      CURLOPT_URL => 'https://api.ssls.cz/v2/'.$mt,
      CURLOPT_POST => true,
      CURLOPT_POSTFIELDS => http_build_query($rq),
      CURLOPT_RETURNTRANSFER => true,
      CURLOPT_TIMEOUT => 100,
      CURLOPT_SSL_VERIFYHOST => false, // 2
      CURLOPT_SSL_VERIFYPEER => false); // true
   curl_setopt_array($ch, $op);
   $rp = curl_exec($ch);
   curl_close($ch);
   return $rp;
}

$request['token'] = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
$request['productCode'] = 'positive';
$request['domain'] = 'www.ssls.cz';

$response = SAPI('emails', $request);

?>