<?php require_once('config.php'); # create request class $request = new \Iyzipay\Request\UCSInitializeRequest(); $request->setEmail("email@iyzico.com"); $request->setGsmNumber("+905555555555"); # make request $result = \Iyzipay\Model\UCSInitialize::create($request,Config::options()); # print result print_r($payment);