HPAY ACP
HPAY Acquiring Card Processing- This certificate confirms, that on the site where you enter data with your credit card under reliable protection, and all your data is under reliable protection.
HPAY DSV
HPAY Data Save Validation- This certificate confirms that the server on which the site is located is physically protected, and a small circle of people has physical access to them.
HPAY PSN
HPAY Pin Security Validation- This certificate confirms that in the process of payment through API you are subject to payment through 4DS (4D-Secure).