# API

- [Authentication](/api/auth.md): API interactions require authentication.
- [Control](/api/control.md): The control API provides interactions with Engine core.
- [Systems](/api/control/systems.md)
- [Modules](/api/control/modules.md)
- [Dependencies](/api/control/dependencies.md)
- [Zones](/api/control/zones.md)
- [Websocket](/api/control/websocket.md)
- [Commands](/api/control/websocket/commands.md)
- [bind](/api/control/websocket/commands/bind.md)
- [unbind](/api/control/websocket/commands/unbind.md)
- [exec](/api/control/websocket/commands/exec.md)
- [debug](/api/control/websocket/commands/debug.md)
- [ignore](/api/control/websocket/commands/ignore.md)
- [Heartbeat](/api/control/websocket/heartbeat.md)
- [Errors](/api/control/websocket/errors.md)