<?php require_once('config.php'); # create request class $request = new \Iyzipay\Request\RetrieveInstallmentInfoRequest(); $request->setLocale(\Iyzipay\Model\Locale::TR); $request->setConversationId("123456789"); $request->setBinNumber("554960"); $request->setPrice("100"); # make request $installmentInfo = \Iyzipay\Model\InstallmentInfo::retrieve($request, Config::options()); # print result print_r($installmentInfo);