Simple script to get VN stock price

vn_stock.gs

function stockPrice(symbol) {
  var now = Math.floor(Date.now() / 1000);
  var threeDaysAgo = now - (3 * 24 * 60 * 60);

  var url = 'https://services.entrade.com.vn/chart-api/v2/ohlcs/stock?from=' + threeDaysAgo + '&to=' + now + '&symbol=' + symbol + '&resolution=1D';
  Logger.log(url)

  var headers = {
    'accept': 'application/json, text/plain, */*',
    'accept-language': 'en-US,en;q=0.9,vi-VN;q=0.8,vi;q=0.7',
    'origin': 'https://www.dnse.com.vn',
    'priority': 'u=1, i',
    'referer': 'https://www.dnse.com.vn/',
    'sec-ch-ua': '"Google Chrome";v="125", "Chromium";v="125", "Not.A/Brand";v="24"',
    'sec-ch-ua-mobile': '?0',
    'sec-ch-ua-platform': '"macOS"',
    'sec-fetch-dest': 'empty',
    'sec-fetch-mode': 'cors',
    'sec-fetch-site': 'cross-site',
    'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36'
  };

  var options = {
    'method': 'get',
    'headers': headers,
    'muteHttpExceptions': true
  };

  var response = UrlFetchApp.fetch(url, options);

  var jsonResponse = JSON.parse(response.getContentText());
  
  if (jsonResponse.c && jsonResponse.c.length > 0) {
    var lastClosingPrice = jsonResponse.c[jsonResponse.c.length - 1];
    Logger.log(symbol + ": " + lastClosingPrice)
    return lastClosingPrice*1000;
  } else {
    throw new Error('No closing price data available');
  }
}