create_subaccount_api_key.html

<html>
<script type="text/javascript" src="crypto-js.js"></script>
<script>

    var burl = 'https://api.binance.com';
    var endPoint = '/sapi/v1/broker/subAccountApi';
    var accountID = 1
    var extraParams = "subAccountId=" + accountID + "&canTrade=true&marginTrade=false&futuresTrade=false&"
    var dataQueryString = extraParams + "recvWindow=20000&timestamp=" + Date.now();


    var keys = {
        'akey': '',
        'skey': ''
    }

    var signature = CryptoJS.HmacSHA256(dataQueryString, keys['skey']).toString(CryptoJS.enc.Hex);

    var ourRequest = new XMLHttpRequest();

    var url = burl + endPoint + '?' + dataQueryString + '&signature=' + signature;

    var ourRequest = new XMLHttpRequest();

    ourRequest.open('POST', url, true);
    ourRequest.setRequestHeader('X-MBX-APIKEY', keys['akey']);

    ourRequest.onload = function () {
        console.log(ourRequest.responseText);
    }
    ourRequest.send();





</script>

</html>