merchantName
– Show users which merchant requires authenticationamount
– Transaction amount requiring 3DScurrency
– Transaction currencysuspend-user-impossible
– User cannot be suspended in their current state.user-suspended
– Prevents card creation for suspended users.poaRequired
field to indicate if a Proof of Address document is needed.citizenship
parameter is now required in the Create User Account endpoint.country-change-not-possible
– Country cannot be changed after creation.forbidden-country-card
– User's country does not support virtual cards.