# Calendar Events

Interacting with the events in a user's calendars.


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[Read in HTML](https://docs.cronofy.com/api-reference/calendar-control/calendar-events/)

## In this section

- [Free/Busy](https://docs.cronofy.com/api-reference/calendar-control/calendar-events/free-busy/index.md) — Returns a list of free/busy information across all of a users calendars.
- [Read Events](https://docs.cronofy.com/api-reference/calendar-control/calendar-events/read-events/index.md) — Returns a list of events across all of a users calendars.
- [Create or Update Event](https://docs.cronofy.com/api-reference/calendar-control/calendar-events/upsert-event/index.md) — Creates or updates an event within a user's calendar.
- [Delete Event](https://docs.cronofy.com/api-reference/calendar-control/calendar-events/delete-event/index.md) — Deletes an event from a user's calendar.
- [Bulk Delete Events](https://docs.cronofy.com/api-reference/calendar-control/calendar-events/bulk-delete-events/index.md) — Delete events that you are managing from the user's calendars in bulk.
- [Participation Status](https://docs.cronofy.com/api-reference/calendar-control/calendar-events/participation-status/index.md) — Changes the status of a user's participation in an event
- [Delete External Event](https://docs.cronofy.com/api-reference/calendar-control/calendar-events/delete-external-event/index.md) — Deletes an externally managed event from a user's calendar.
- [Edit External Events](https://docs.cronofy.com/api-reference/calendar-control/calendar-events/edit-external-events/index.md) — Allows the editing of external events, ie those not created through the Cronofy API connection.