am still getting 401 Authorization Required bt my username and password is ok

my $req = HTTP::Request->new(POST => 'link');
$req->content_type('application/json');
$req->header('Authorization' => "Basic" .encode_base64('cv23gwyzqvur:t
+y7idfphrkl'));
$req->content('{"name":"john deo","country":"ca","email":"joshn@email.
+com")
my $res = $ua->request($req);

if ($res->is_success) {
  print $res->content;
} else {
  print $res->status_line;
}
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