API
Change an event
Changes an event you organise and sends the update to everyone invited.
PATCH/calendar/events/{id}
Runs the real call on your workspace.
PATCH /calendar/events/{id}
Changes an event you organise and sends the update to everyone invited.
Example
Needs calendar:write, and emails:send while the event has attendees. A field left out keeps its value, and attendees replaces the whole list.
curl -X PATCH "$OE/calendar/events/cal_3f9a1c7e5b2d48a06c1e9f4b" -H "$AUTH" -H 'content-type: application/json' -d '{ "start": "2026-10-12T10:00:00Z", "end": "2026-10-12T10:30:00Z"}'{ "object": "calendar_event", "id": "cal_3f9a1c7e5b2d48a06c1e9f4b", "sequence": 1, "summary": "Planning", "start": "2026-10-12T10:00:00.000Z", "end": "2026-10-12T10:30:00.000Z", "status": "CONFIRMED"}An event organised by somebody else is a 403 not_organizer, so answer it with POST /calendar/events/{id}/respond instead.
sendInvites: false changes it on your own calendar and sends nothing.