Curl: enviar autorizacion por GET con un token sin usar Authentication sino otra palabra

$token = 'abcdefg';
$data = array("user_name" => "pepe@gmail","provincia" => "28");
$ch = curl_init();
$data = http_build_query($data);
$getUrl = "https://urldelaapi/welcome?".$data;
curl_setopt($ch, CURLOPT_HTTPHEADER, array("TokenCrypt: $token"));
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_VERBOSE, true);
curl_setopt($ch, CURLOPT_STDERR, fopen('curl.txt', 'w'));
curl_setopt($ch, CURLOPT_URL, $getUrl);
$response = curl_exec($ch);
curl_close($ch);
if(!$response) {
    return false;
}
else{
   var_dump($response);
}