?yzico payment gateway integration for pro sites

Hello;

Firstly im so sad because paypal not provide service to turkey for legal problems. I was found perfect alternative for paypal moreover can do installment for 7 türkish banks and this company completely free and only want commission. But i have a problem; I dont know how i can integration iyzico for pro sites.

https://www.iyzico.com/en/

Not: There are english intagration document and also woocommerce document