Alternative account holder names, for instance if the account is a joint account.

The structured name of an individual account holder, for payment rails that identify a person by first and last name. Both names are required when the object is sent. Send null to clear it.

The address of the account holder, as an address object.

The organization identification of the internal account. See more here.

Custom fields in JSON key:value format. See Custom fields.

ISO 4217 currencies of the account.

The configuration of the internal account, which can contain payment rules for payment orders or incoming payments. These rules are enforced by the internal_account_configuration payment validation, which must also be set up in a payment validation rule: the configuration alone has no effect. Only available for internal accounts of type own.