am trying to parse bitstamp api

but am getting this error

Error: {"status": "error", "reason": "Invalid nonce", "code": "API0004"}

API documentation https://www.bitstamp.net/api/

#!/usr/bin/perl

use strict; 
use warnings;
use URI qw();
use Time::HiRes qw(gettimeofday);
use Digest::SHA qw(hmac_sha256_hex);
use LWP::UserAgent;

my $uri = URI->new();
my $ua = LWP::UserAgent->new( ssl_opts => { verify_hostname => 0 }, );
$ua->agent("MyApp/0.1");


my $apiKey = 'Jp';
my $apiSecret = '2ULKB1';

my $urlcb = "https://www.bitstamp.net/api/v2/usdt_withdrawal/";
my $url = URI->new($urlcb);
my $urlpath = $url->path();

my $timestamp = int (gettimeofday * 1000);
my $nonce = int(rand(1000000));
my %params = $uri->query_form(
'currency' => "USDT",
'network' => "ethereum",
'address'   => "",
'amount' => "4",
);

my $signature = hmac_sha256_hex($nonce.'POST'.$urlpath.%params, $apiSe
+cret);
my %payload = (
"X-Auth" => $apiKey,
"X-Auth-Signature" => $signature,
"X-Auth-Nonce" => $nonce,
"X-Auth-Timestamp" => $timestamp,
"X-Auth-Version" => 'v2',
"Content-Type" => 'application/x-www-form-urlencoded'
);

my $req = HTTP::Request->new(POST=>$url);
$req->header(%payload);
$req->content(%params);

my $resp = $ua->request($req);

if($resp->is_success){
   print $resp->content ."\n";
}
else{
  print "Error: " . $resp->content;
}

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In reply to Invalid nonce by frank1

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