The Watchful Swagger API allows developers to access and integrate the functionality of Watchful with other applications and websites. Example API methods enable developers to backup, upgrade, and monitor Joomla websites from a remote location. This REST API about secure website management supports XML, JSON, JSONP, and serialized protocols. In the site, programmers can find resources, API Keys, authentication instructions, formats, error handling, and examples in PHP. Watchful.li allows users to keep Joomla websites safe with regular updates, maintenance, and backups.