curl --location --request GET 'https://api.kucoin.com/api/v1/market/orderbook/level1?symbol=BTC-USDT'{
"code": "200000",
"data": {
"time": 1729172965609,
"sequence": "14609309753",
"price": "67269",
"size": "0.000025",
"bestBid": "67267.5",
"bestBidSize": "0.000025",
"bestAsk": "67267.6",
"bestAskSize": "1.24808993"
}
}