How to make Laravel API login

How to make Laravel API login

Route:

Route::post('/signin', [PostApiController::class, 'processLogin']);

Controller:

//login api

    public function processLogin(Request $request){

        //validation

        $this->validate($request, [

           'email' => 'required|email',

           'password' => 'required|min:6'

       ]);

       $credentials = $request->except(['_token']);

       if (auth()->attempt($credentials)){

            return DB::table('users')->where('email', $request->email)->first();      

       }

       

       return response()->json(['invalid' => 'Username & Password incorrect']);

   }