Quote (Exchange Rate)

• Method: POST
• Path: /coin/v1/exchange/quote
• Parameters: JSON Body

Request fields

Field	Type	Required	Constraint	Description
receive_amount	double	Yes	> 0; precision in Currency	Amount to receive
pay_currency	string	Yes	See Currency	Pay currency
receive_currency	string	Yes	See Currency	Receive currency

Response fields (data)

Field	Type	Description
quote_id	string	Platform quote ID (must be echoed on confirm)
rate	double	Exchange rate
pay_amount	double	Pay amount
receive_amount	double	Receive amount
pay_currency	string	Pay currency
receive_currency	string	Receive currency
expires_in	int64	Quote TTL in seconds
expires_at	string	Quote expiry time, RFC3339 (with timezone)

Success response example

{
  "status": 200,
  "msg": "SUCCESS",
  "data": {
    "quote_id": "Q202606160001",
    "rate": 5.4321,
    "pay_amount": 543.21,
    "receive_amount": 100,
    "pay_currency": "BRL",
    "receive_currency": "USDT",
    "expires_in": 5,
    "expires_at": "2026-06-16T16:00:15+08:00"
  }
}

Failure response example (invalid parameter)

{
  "status": 1404,
  "msg": "金额无效",
  "data": {}
}