<?php require_once 'vendor/autoload.php'; require_once '../src/Optretina/Api/OAuth/OAuth2Provider.php'; require_once '../src/Optretina/Api/OAuth/ClientCredentialsGrant.php'; require_once '../src/Optretina/Api/Client.php'; define("CLIENT_ID", "CLIENT_ID_XXX"); define("CLIENT_SECRET", "CLIENT_SECRET_XXX"); define("CASE_ID", "XXXX"); $client = new Optretina\Api\Client(CLIENT_ID, CLIENT_SECRET); $response = $client->getCase(CASE_ID); /* Response: - success: true or false - content: if success = true -> Case object. Otherwise error message. */ if ($response->success) { echo "<pre>"; var_dump($response->content); echo "</pre>"; } else { //Error echo $response->content; }