If it is possible to login automatically after register laravel api using passport

Register Api for Android App stored And Return the response Success. I want know If its possible to Automatically Login if Register Success We are using

php artisan make:auth

in Laravel Web

 public function signup(Request $request){

    try{
         $User = $request->all();
         if($request->has('referal_code')){
             $User['referal_code'] = $request->referal_code;
        }
         $User['password'] = bcrypt($request->password);
         $User['picture']  = 'http://lorempixel.com/100/100/';
         $User = User::create($User);
        return $User;
    }catch(Exception $e){
         return response()->json(['error' =>'api.something_went_wrong'], 500);
    }
 }
}

via Chebli Mohamed