Man pages matching name business::onlinepayment::paymentech in section 3pm:

Business::OnlinePayment::PaymenTech.3pm.en	debian 10 / libbusiness-onlinepayment-paymentech-perl
Business::OnlinePayment::PaymenTech.3pm.en	debian 11 / libbusiness-onlinepayment-paymentech-perl
Business::OnlinePayment::PaymenTech.3pm.en	debian 12 / libbusiness-onlinepayment-paymentech-perl