Nextcloud-App/appinfo/routes.php

<?php

return [
	'resources' => [
		'ticket_api' => ['url' => '/api/v1/tickets']
	],
	'routes' => [
		['name' => 'page#index', 'url' => '/', 'verb' => 'GET'],
		[
			'name' => 'ticket_api#preflighted_cors',
			'url' => '/api/v1/tickets',
			'verb' => 'OPTIONS',
			'requirements' => ['path' => '.+'],
		],
		[
			'name' => 'ticket_api#fetch_chat',
			'url' => '/api/v1/tickets/{id}/chat',
			'verb' => 'GET',
		],
	],
];