Paragonik/paragonik-backend/app/Http/Controllers/Auth/LoginController.php

<?php

namespace App\Http\Controllers\Auth;

use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Hash;

class LoginController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Login Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles authenticating users for the application and
    | redirecting them to your home screen. The controller uses a trait
    | to conveniently provide its functionality to your applications.
    |
    */

    use AuthenticatesUsers;

    /**
     * Where to redirect users after login.
     *
     * @var string
     */
    protected $redirectTo = '/home';

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
    }

    public function loginAPI(Request $request){
        $this->validate($request, [
            'email' => 'required',
            'password' => 'required',
        ]);

        if(Auth::guard('api')->attempt([
                    'email' => $request->email,
                    'password' => $request->password]))
        {
            return response()->json(["message " => "Accepted."], 200);
        }
        else{
            return response()->json(["message " => "Record not found."], 404);
        }
    }
}