<?php require_once('config.php'); # create request class $request = new \Iyzipay\Request\RetrievePaymentRequest(); $request->setLocale(\Iyzipay\Model\Locale::TR); $request->setConversationId("123456789"); $request->setPaymentId("1"); $request->setPaymentConversationId("123456789"); # make request $payment = \Iyzipay\Model\Payment::retrieve($request, Config::options()); # print result print_r($payment);