12.4 Obtain the collection exchange rate (merchant-defined exchange rate)

#Brief description: Get the merchant’s custom exchange rate interface (merchant’s custom exchange rate)

• Request method: POST
• Request interface: https://gateway-domain/wallet-trade-merchant/v1/utils/rate/receive/merchant
• Request media type (JSON data format)Content-Type: application/json

Query parameters

Parameter name	Type	Required	Parameter meaning	Parameter description
key	string	Yes	Merchant key	apiKey
currency	string	Yes	Currency (order currency)	Example: CNY
userCurrency	string	Yes	User’s actual received currency	Example: USDT
sign	string	Yes	md5 signature	For details, see Signature Algorithm (Document 2)

Request json sample

{
 "key": "9yUreYgTRtit39Dy",
 "currency": "CNY",
 "userCurrency": "USDT",
 "sign":"dbc72adf640a82e0b21f98c50afb2881"
}

Return value

Parameter name	Type	Parameter meaning	Parameter description
code	int	Request status	Communication status Successful return: 0, others indicate failure
success	boolean	Success Status	true Success
message	string	Description
data	json	Parameters	Please refer to the following description for parameters

Return to Example

{  
    "code": 0,  
    "success": true,  
    "message": null,  
    "data": {  
      "baseCurrency": "USDT",
      "quoteCurrency": "CNY",
      "tradePair": "USDT/CNY",
      "rate": 6.37,
      "costRate": 6.37,
      "costReverseRate": 0.15698587127158556,
      "exchangeAction": "SELL",
      "quoteExpression": "1USDT≈6.37CNY",
      "baseAmount": "15.698587",
      "quoteAmount": "100"
    }  
}

data parameter description

Parameter name	Type	Parameter meaning	Parameter description
baseCurrency	string	Base Currency
quoteCurrency	string	Quote Currency
tradePair	string	Trading Pair
rate	string	Price
costRate	number	Calculate price ( FROM x rate = TO )
costReverseRate	number	Calculate the price in reverse (TO x rate = FROM )
exchangeAction	enum	Transaction Type	BUY:Buy| SELL: Sell
quoteExpression	string	Exchange rate expression	Expression in quotation form
baseAmount	string	Base Amount	Example Base Amount
quoteAmount	string	Quotation amount	Sample quotation amount