There are three major operators in common use, namely Turkcell, Vodafone and Turk Telecom.
Credit cards include Visa, MasterCard and Trojan.
However, many Turkish payment companies only serve local companies and do not accept docking from companies outside Turkey, so it is best to find a third-party payment company to integrate, such as PayPay, which specializes in local payment in China, or adyen abroad.