Computer Configuration > Administrative Templates > Microsoft Edge
Both
HKLM\Software\Policies\Microsoft\Edge
Allows you to set whether websites can check if the user has payment methods saved. If you disable this policy, websites that use PaymentRequest.canMakePayment or PaymentRequest.hasEnrolledInstrument API will be informed that no payment methods are available. If you enable this policy or don't set this policy, websites can check if the user has payment methods saved.