Crypto-to-bank off-ramp: get the recipient bank-detail fields required to pay out (cash out) in a given currency when selling USDC to fiat. Returns dynamic field descriptors (text/select/radio/date) with validation rules and allowed values, grouped by account type. Empty-key placeholder options are stripped. Use this to know which bank details to collect before creating a payout recipient. Pay 0.01 USDC.