Configure Coinmarketcap API on Google sheets

Coinmarketcap API

function crypto(coinSymbol) {
  var apiKey = "YOUR-API-KEY-HERE";
  var url = "https://pro-api.coinmarketcap.com/v1/cryptocurrency/quotes/latest?symbol=" + coinSymbol
  var requestOptions = {
    method: 'GET',
    uri: 'https://pro-api.coinmarketcap.com/v1/cryptocurrency/listings/latest',
    qs: {
      start: 1,
      limit: 5000,
      convert: 'USD'
    },
    headers: {
      'X-CMC_PRO_API_KEY': apiKey
    },
    json: true,
    gzip: true
  };

  var httpRequest = UrlFetchApp.fetch(url, requestOptions);
  var getContext = httpRequest.getContentText();

  var parseData = JSON.parse(getContext);
  // Logger.log(parseData.data);
  return parseData.data[coinSymbol].quote.USD.price;
}