Cant get laravel token from login api

I want to create an api for user , can register and login. It work until now, so i can create user account and can login but i canot get token. My response on postman is this

//this is reoute POST:http://localhost:8000/api/login?email=api-user2@gmail.com&password=password

"success": true,
    "data": {
        "token": {
            "name": "passport_token",
            "abilities": [
                "*"
            ],
            "tokenable_id": 10,
            "tokenable_type": "App\Models\User",
            "updated_at": "2023-01-10T09:18:20.000000Z",
            "created_at": "2023-01-10T09:18:20.000000Z",
            "id": 13
        },
        "name": "api-user2"
    },
    "message": "User login successfully."
}

//API royte

Route::post('register', [RegisterController::class, 'register']);
Route::post('login', [RegisterController::class, 'login']);

Route::middleware('auth:api')->group( function() {
});

//RegisterControiller

namespace App\Http\Controllers\API;

use Illuminate\Http\Request;
use App\Http\Controllers\API\BaseController as BaseController;
use App\Models\User;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Auth;
use Validator;

class RegisterController extends BaseController
{
    /**
     * Register api
     *
     * @return \Illuminate\Http\Response
     */
    public function register(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'name' => ['required', 'string', 'max:255'],
            'email' => ['required', 'string', 'email', 'max:255', 'unique:users'],
            'password' => ['required', 'string', 'min:8'],
        ]);
   
        if($validator->fails()){
            return $this->sendError('Validation Error.', $validator->errors());       
        }
   
        $input = $request->all();
        $input['password'] = Hash::make($input['password']);
        $user = User::create($input);
        $success['token'] =  $user->createToken('passport_token')->accessToken;
        $success['name'] =  $user->name;
   
        return $this->sendResponse($success, 'User register successfully.');
    }
   
    /**
     * Login api
     *
     * @return \Illuminate\Http\Response
     */
    public function login(Request $request)
    {
        if(Auth::attempt(['email' => $request->email, 'password' => $request->password])){ 
            $user = Auth::user(); 
            $success['token'] =  $user->createToken('passport_token')-> accessToken; 
            $success['name'] =  $user->name;
   
            return $this->sendResponse($success, 'User login successfully.');
        } 
        else{ 
            return $this->sendError('Unauthorised.', ['error'=>'Unauthorised']);
        } 
    }
}