Get the price of a crypto token from an API

getPrice.gs

/**
 * @author Parker Thomas
 * @date 1/11/2022
 * 
 * @def getPrice(url, token)
 * @param url: the API endpoint to hit
 * @param token: the token name to retrieve the price
 * Returns the price of the given token from the API 
 * 
 * For example, use this API endpoint: https://blockchain.info/ticker
 */

function getPrice(url, token) {
  var response = UrlFetchApp.fetch(url);
  var responseJSON = JSON.parse(response.getContentText());
  return responseJSON[token].last;
}