signature for this request is not valid

API Spot/Margin API
1

I HAVE PROPLEM BROTHER WITH SINGED IN API , IT KEEP TELLING ME
( SIGNATURE FOR THIS REQUEST IS NOT VALID )

MY CODE IS

script type=“text/javascript” src=“crypto-js.js”>

var burl = ‘https://api.binance.com’;
var endPoint = ‘/api/v3/account’;
var dataQueryString = ‘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;

ourRequest.open(‘GET’, url, true);
ourRequest.setRequestHeader(‘X-MBX-APIKEY’,keys[‘akey’]);

ourRequest.onload = function(){
ourData = JSON.parse(ourRequest.responseText);
console.log(ourData);
}
ourRequest.send();
WHAT IS THE PROPLEM PLEASE

2

You cannot send this kind of request from webclient. It’d be blocked by CORs policy.

3

we can’t send any request need api key directly from client side?