login de usuario usando API REST

Route::post('/api/rest/login', function () {
    $username = Input::get('username');
    $password = Input::get('password');
    $error = false;

    //transformar el passwword que me ha ingresado el usuario en hash con lfuncion que he usado
    $password =  password_hash($password,  PASSWORD_BCRYPT,  ['cost' => 12]);

    $user = array(
        'username' => $username,
        'password' => $password
    );
    $statuscode = 200;
    $message = 'conection sucessfull';
    $statuscodefail = 400;
    $messagefail = 'connection failure';
    if (Auth::attempt($user))
    {
        return Response::json($statuscode, $message);
            //->with('flash_notice', 'You are successfully logged in.');
    }
    else
    {
        // authentication failure! lets go back to the login page
        return Response::json($statuscodefail,$messagefail);
    }   //->with('flash_error', 'Your username/password combination was incorrect.')
        //->withInput();
});