Computer Configuration > Administrative Templates > Google Chrome
Both
HKLM\Software\Policies\Google\Chrome
Allows you to set whether websites are allowed to check if the user has payment methods saved. If this policy is set to disabled, websites that use PaymentRequest.canMakePayment or PaymentRequest.hasEnrolledInstrument API will be informed that no payment methods are available. If the setting is enabled or not set then websites are allowed to check if the user has payment methods saved.