code: ********************timestamp: ********************signature: ********************curl --location '/openapi/v3/flight/balance' \
--header 'code: <api-key>' \
--header 'timestamp: <api-key>' \
--header 'signature: <api-key>'{
"code": 0,
"message": "ok",
"realErrorMsg": "",
"data": {
"currency": "CNY",
"balance": 10000,
"balanceLimit": 50000,
"block": false
}
}