dairy-app-api/routes/api.php

<?php

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Route;

/*
|--------------------------------------------------------------------------
| API Routes
|--------------------------------------------------------------------------
|
| Here is where you can register API routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| is assigned the "api" middleware group. Enjoy building your API!
|
*/

Route::post('/register', 'UserController@register');
Route::post('/login', 'UserController@login');

Route::middleware('auth:api')->group(function () {
    Route::apiResource('/lesson', 'LessonController');
    Route::apiResource('/call', 'CallController');
});