bike-api/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\ServiceProvider;
use Overtrue\EasySms\EasySms;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        $this->app->singleton('easy_sms', function ($app) {
            return (new  EasySms($app->config['sms']));
        });
    }
}