OverviewRetrieve the real-time quote that converts a fiat amount into its stablecoin equivalent (USDC or USDT). The quote is intended for checkout displays and pre-payment confirmation screens, and it includes a lock window (expiry time) during which the quoted rate is valid.What it does • Calculates how much USDC/USDT is required to settle a given fiat amount. • Returns the stablecoin amount and a price validity period (lock/expiry timestamp). • Can be used to render “Pay XX USDT for YY BRL” messages to end-users before they pay.