Create or Update Calendar Event

POST /public/action/calendar/createOrUpdate

Creates a calendar event, or updates it when eventId is supplied.

Authentication: X-API-KEY header (see Authentication).

Request body

Field	Type	Description
eventId	string	Existing event id to update. Omit to create.
startTime / endTime	datetime	Event start and end.
timezone	string	IANA timezone.
fullDay	boolean	All-day event.
busy	boolean	Mark time as busy.
summary	string	Event title.
description	string	Event description.
location	string	Location.
userEmail	string	Owner of the event.

Request

curl -X POST https://api.withmoxie.com/public/action/calendar/createOrUpdate \
  -H "X-API-KEY: your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{"summary": "Kickoff call", "startTime": "2026-07-15T14:00:00", "endTime": "2026-07-15T15:00:00", "timezone": "Europe/Budapest", "userEmail": "jane@acme.example"}'

Response

Returns the created or updated NativeCalendarEvent (including its id).

{
  "id": "66b0f9b0c3a9e40012ab9900",
  "accountId": 10016,
  "userId": 5567,
  "externalId": null,
  "startDate": "2026-07-15",
  "startTime": "14:00:00",
  "endDate": "2026-07-15",
  "endTime": "15:00:00",
  "timezone": "Europe/Budapest",
  "summary": "Kickoff call",
  "description": null,
  "location": null,
  "busyEvent": true
}