curl --location '/api/v1/ex/crypto/rates?pair=USDT%2FUSD%2C%20USDC%2FUSD&merchantNo=Merchant%20%20Number&transactionType=Transaction%20type%3B%20default%3A%20CR_CRYPTO_TO_FIAT.' \
--header 'x-app-id;' \
--header 'x-request-id;' \
--header 'x-signature;'{
"code": "string",
"message": "string",
"data": {
"base": "string",
"quote": "string",
"pair": "USDT/USD",
"rate": 0,
"rateTime": "string"
}
}