getCoinData.js

...
 const getCoinData = async (startDate, endDate) => {
    ...
    const startDateUnix = dayjs(startDate).format("X");
    const endDateUnix = dayjs(endDate).format("X");
    const range = `range?vs_currency=usd&from=${startDateUnix}&to=${endDateUnix}`;
    const url = `${APIURL}/coins/bitcoin/market_chart/${range}`;
    try {
      const coinResponse = await fetch(url);
      const data = await coinResponse.json();
      setCoinData(data);
      setError(false);
      setIsLoading(false);
    } catch (e) {
      setIsLoading(false);
      setError(e);
    }
 }
...