curl --location --request GET 'https://api.kucoin.com/api/ua/v1/market/interest-rate-index?endAt&lastId&pageSize&startAt&symbol'{
"msg": "string",
"code": "string",
"data": {
"items": [
{
"ts": 1716438000000,
"symbol": "XBTUSDTM",
"interestRate": "0.000123"
}
],
"lastId": 1716438000000
}
}