The one-time charge info at the time of checkout.
setup_feeobject<money>Optionalcurrency_codestring<currency_code>RequiredvaluestringRequiredshipping_amountobject<money>Optionalcurrency_codestring<currency_code>RequiredvaluestringRequiredtaxesobject<money>Optionalcurrency_codestring<currency_code>RequiredvaluestringRequiredproduct_priceobject<money>Optionalcurrency_codestring<currency_code>RequiredvaluestringRequiredsubtotalobject<money>Optionalcurrency_codestring<currency_code>RequiredvaluestringRequiredtotal_amountobject<money>Requiredcurrency_codestring<currency_code>RequiredvaluestringRequired