Inputs for an off-ramp (crypto → fiat) quote.
Amount of crypto to sell, as a decimal string. Required.
Crypto asset to sell, e.g. "USDT". Required.
"USDT"
Fiat currency to receive, e.g. "USD", "EUR". Required.
"USD"
"EUR"
Inputs for an off-ramp (crypto → fiat) quote.