Capella App Services is a fully managed application backend that brings the power of Couchbase Mobile to Capella, a fully managed Couchbase as-a-service offering. It provides offline-first data sync capabilities for mobile, desktop, and embedded applications, allowing them to run in disconnected mode and sync data with the backend servers when connectivity is restored. The platform supports various connection points, including secure websockets public URL, secure public REST API, secure admin REST API, and secure metrics REST API. Users can create multiple App Endpoints on an App Service, each backed by a unique bucket in the corresponding Couchbase Server cluster. Authentication providers define how users are authenticated with the app services, and access control is implemented using channel-based access control model of Couchbase Mobile. The platform provides features such as user journey, system architecture, and monitoring, allowing users to administer and configure their App Services and App Endpoints. It also supports on-demand scaling, making it suitable for evolving needs of apps.