Exemplo de HealthCheck para apigility, usando um serviço de RPC

HealthCheckSample.php

<?php
// namespace
use Zend\Mvc\Controller\AbstractActionController;
use ZF\ContentNegotiation\ViewModel;

class HealthCheckController extends AbstractActionController
{

    public function healthCheckAction()
    {
        return new ViewModel(array(
            'Status' => 'OK',
            'HealthCheck' => time()
        ));
    }
}