Get payout rate

Returns the current payout rate for a currency (fiat per 1 USDT), including your payout premium.

POST/api/open/order/getSellRate

Full URL = your API base URL + this path. The base URL is shown in the merchant console under Developers → API & callbacks.

Request parameters

Parameter	Type	Required	Description
merchantNo	string	Yes	Merchant number
currencyType	string	Yes	Currency code
isExpedited	bool	No	Return the expedited rate; default false

Response

{ "code": 0, "message": "success", "data": { "rate": 7.35 } }

USDT deducted for a payout ≈ payout amount ÷ payout rate + payout fee, fixed when the order is created.

Common errors

40010, 40017. A decryption failure currently returns 500 (not 40000).