Russian payment gateway Paymaster was integrate with this module and your shop on OpenCart 3.
Paymaster is also payment integrator and include many methods of payment:

Credit and debit cards
Yandex Money
Webmoney
Russian Post
Sberbank Transfer
AlfaBank Transfer
Svyaznoy
MTS
Beeline
and etc...

Внимание эта версия подходит и отлично работает с Opencart 3 версии. Есть поддержка онлайн кассы по ФЗ-54 - поддержка по майлу.