DATEV Unternehmen Online PHP SDK

<?php
require_once 'vendor/autoload.php';

use Apideck\Client\Apideck;

$apideck = new Apideck([
    'api_key' => getenv('APIDECK_API_KEY'),
    'app_id' => getenv('APIDECK_APP_ID'),
    'consumer_id' => 'user-123'
]);

// Connect to DATEV Unternehmen Online
$connections = $apideck->accounting->connectionsAll([
    'service_id' => 'datev-unternehmen-online'
]);

// List data from DATEV Unternehmen Online
$companies = $apideck->accounting->companiesAll([
    'service_id' => 'datev-unternehmen-online'
]);

print_r($companies);