Create event

Namespace: microsoft.graph

Use this API to create a new event in a calendar. The calendar can be one for a user, or the default calendar of a Microsoft 365 group.

This API is supported in the following national cloud deployments.

Global service US Government L4 US Government L5 (DOD) China operated by 21Vianet

Permissions

Depending on the type of calendar that the event is created in and the permission type (delegated or application) requested, one of the following permissions is required to call this API. To learn more, including how to choose permissions, see Permissions.

Calendar Delegated (work or school account) Delegated (personal Microsoft account) Application
user calendar Calendars.ReadWrite Calendars.ReadWrite Calendars.ReadWrite
group calendar Group.ReadWrite.All Not supported. Not supported.

HTTP request

A user's or group's default calendar.

POST /me/calendar/events
POST /users/{id | userPrincipalName}/calendar/events
POST /groups/{id}/calendar/events

A user's calendar in the default calendarGroup.

POST /me/calendars/{id}/events
POST /users/{id | userPrincipalName}/calendars/{id}/events

A user's calendar in a specific calendarGroup.

POST /me/calendarGroups/{id}/calendars/{id}/events
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events

Request headers

Header Value
Authorization Bearer {token}. Required.
Content-Type application/json. Required.

Request body

In the request body, supply a JSON representation of event object.

Response

If successful, this method returns 201 Created response code and event object in the response body.

Examples

Example 1: Create an event in a specific calendar

Request

The following example creates an event in a specific calendar and assigns the event an optional transactionId value.

POST https://graph.microsoft.com/v1.0/me/calendars/AAMkAGViNDU7zAAAAAGtlAAA=/events
Content-type: application/json

{
  "subject": "Let's go for lunch",
  "body": {
    "contentType": "HTML",
    "content": "Does mid month work for you?"
  },
  "start": {
      "dateTime": "2019-03-15T12:00:00",
      "timeZone": "Pacific Standard Time"
  },
  "end": {
      "dateTime": "2019-03-15T14:00:00",
      "timeZone": "Pacific Standard Time"
  },
  "location":{
      "displayName":"Harry's Bar"
  },
  "attendees": [
    {
      "emailAddress": {
        "address":"adelev@contoso.onmicrosoft.com",
        "name": "Adele Vance"
      },
      "type": "required"
    }
  ],
  "transactionId":"7E163156-7762-4BEB-A1C6-729EA81755A7"
}

Response

Here is an example of the response.

Note: The response object shown here might be shortened for readability.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('5d8d505c-864f-4804-88c7-4583c966cde8')/calendars('AAMkAGViNDU7zAAAAAGtlAAA%3D')/events/$entity",
    "@odata.etag": "W/\"/IUUrIl3PkG1JCSsPfU+8wAAGXjEpA==\"",
    "id": "AAMkAGViNDU7zAAAAA7zAAAZb2ckAAA=",
    "createdDateTime": "2019-02-28T21:17:57.56197Z",
    "lastModifiedDateTime": "2019-02-28T21:17:59.044919Z",
    "changeKey": "/IUUrIl3PkG1JCSsPfU+8wAAGXjEpA==",
    "categories": [],
    "originalStartTimeZone": "Pacific Standard Time",
    "originalEndTimeZone": "Pacific Standard Time",
    "iCalUId": "040000008200E641B4C",
    "reminderMinutesBeforeStart": 15,
    "isReminderOn": true,
    "hasAttachments": false,
    "hideAttendees": false,
    "subject": "Let's go for lunch",
    "bodyPreview": "Does mid month work for you?",
    "importance": "normal",
    "sensitivity": "normal",
    "isAllDay": false,
    "isCancelled": false,
    "isDraft": false,
    "isOrganizer": true,
    "responseRequested": true,
    "seriesMasterId": null,
    "transactionId":"7E163156-7762-4BEB-A1C6-729EA81755A7",
    "showAs": "busy",
    "type": "singleInstance",
    "webLink": "https://outlook.office365.com/owa/?itemid=AAMkAGViNDU7zAAAAA7zAAAZb2ckAAA%3D&exvsurl=1&path=/calendar/item",
    "onlineMeetingUrl": null,
    "isOnlineMeeting": false,
    "onlineMeetingProvider": "unknown",
    "onlineMeeting": null,
    "recurrence": null,
    "responseStatus": {
        "response": "organizer",
        "time": "0001-01-01T00:00:00Z"
    },
    "body": {
        "contentType": "html",
        "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n</head>\r\n<body>\r\nDoes mid month work for you?\r\n</body>\r\n</html>\r\n"
    },
    "start": {
        "dateTime": "2019-03-15T12:00:00.0000000",
        "timeZone": "Pacific Standard Time"
    },
    "end": {
        "dateTime": "2019-03-15T14:00:00.0000000",
        "timeZone": "Pacific Standard Time"
    },
    "location": {
        "displayName": "Harry's Bar",
        "locationType": "default",
        "uniqueId": "Harry's Bar",
        "uniqueIdType": "private"
    },
    "locations": [
        {
            "displayName": "Harry's Bar",
            "locationType": "default",
            "uniqueId": "Harry's Bar",
            "uniqueIdType": "private"
        }
    ],
    "attendees": [
        {
            "type": "required",
            "status": {
                "response": "none",
                "time": "0001-01-01T00:00:00Z"
            },
            "emailAddress": {
                "name": "Adele Vance",
                "address": "AdeleV@contoso.OnMicrosoft.com"
            }
        }
    ],
    "organizer": {
        "emailAddress": {
            "name": "Megan Bowen",
            "address": "MeganB@contoso.OnMicrosoft.com"
        }
    }
}

Example 2: Create and enable an event as an online meeting

Request

The following example creates an event in the specified calendar of the signed-in user's and enables it as an online meeting.

POST https://graph.microsoft.com/v1.0/me/calendars/AAMkAGViNDU9zAAAAAGtlAAA=/events
Content-type: application/json

{
  "subject": "Let's go for lunch",
  "body": {
    "contentType": "HTML",
    "content": "Does next month work for you?"
  },
  "start": {
      "dateTime": "2019-03-10T12:00:00",
      "timeZone": "Pacific Standard Time"
  },
  "end": {
      "dateTime": "2019-03-10T14:00:00",
      "timeZone": "Pacific Standard Time"
  },
  "location":{
      "displayName":"Harry's Bar"
  },
  "attendees": [
    {
      "emailAddress": {
        "address":"adelev@contoso.onmicrosoft.com",
        "name": "Adele Vance"
      },
      "type": "required"
    }
  ],
  "isOnlineMeeting": true,
  "onlineMeetingProvider": "teamsForBusiness"
}

Response

Here is an example of the response.

Note: The response object shown here might be shortened for readability.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('5d8d505c-864f-4804-88c7-4583c966cde8')/calendars('AAMkAGViNDU9zAAAAAGtlAAA%3D')/events/$entity",
    "@odata.etag": "W/\"/IUUrIl3PkG1JCSsPfU+8wAAGXjGjw==\"",
    "id": "AAMkAGViNDU7zAAAAA7zAAAZe6CkAAA=",
    "createdDateTime": "2019-02-28T21:36:26.7105485Z",
    "lastModifiedDateTime": "2019-02-28T21:36:26.9577227Z",
    "changeKey": "/IUUrIl3PkG1JCSsPfU+8wAAGXjGjw==",
    "categories": [],
    "originalStartTimeZone": "Pacific Standard Time",
    "originalEndTimeZone": "Pacific Standard Time",
    "iCalUId": "040000008200C780DAE",
    "reminderMinutesBeforeStart": 15,
    "isReminderOn": true,
    "hasAttachments": false,
    "hideAttendees": false,
    "subject": "Let's go for lunch",
    "bodyPreview": "Does next month work for you?",
    "importance": "normal",
    "sensitivity": "normal",
    "isAllDay": false,
    "isCancelled": false,
    "isDraft": false,
    "isOrganizer": true,
    "responseRequested": true,
    "seriesMasterId": null,
    "showAs": "busy",
    "type": "singleInstance",
    "webLink": "https://outlook.office365.com/owa/?itemid=AAMkAGViNDU7zAAAAA7zAAAZe6CkAAA%3D&exvsurl=1&path=/calendar/item",
    "onlineMeetingUrl": null,
    "isOnlineMeeting": true,
    "onlineMeetingProvider": "teamsForBusiness",
    "recurrence": null,
    "responseStatus": {
        "response": "organizer",
        "time": "0001-01-01T00:00:00Z"
    },
    "body": {
        "contentType": "html",
        "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n</head>\r\n<body>\r\nDoes next month work for you?\r\n</body>\r\n</html>\r\n"
    },
    "start": {
        "dateTime": "2019-03-10T12:00:00.0000000",
        "timeZone": "Pacific Standard Time"
    },
    "end": {
        "dateTime": "2019-03-10T14:00:00.0000000",
        "timeZone": "Pacific Standard Time"
    },
    "location": {
        "displayName": "Harry's Bar",
        "locationType": "default",
        "uniqueId": "Harry's Bar",
        "uniqueIdType": "private"
    },
    "locations": [
        {
            "displayName": "Harry's Bar",
            "locationType": "default",
            "uniqueId": "Harry's Bar",
            "uniqueIdType": "private"
        }
    ],
    "attendees": [
        {
            "type": "required",
            "status": {
                "response": "none",
                "time": "0001-01-01T00:00:00Z"
            },
            "emailAddress": {
                "name": "Adele Vance",
                "address": "AdeleV@contoso.OnMicrosoft.com"
            }
        }
    ],
    "organizer": {
        "emailAddress": {
            "name": "Megan Bowen",
            "address": "MeganB@contoso.OnMicrosoft.com"
        }
    },
    "onlineMeeting": {
        "joinUrl": "https://teams.microsoft.com/l/meetup-join/19%3ameeting_NzIyNzhlMGEtM2YyZC00ZmY0LTlhNzUtZmZjNWFmZGNlNzE2%40thread.v2/0?context=%7b%22Tid%22%3a%2272f988bf-86f1-41af-91ab-2d7cd011db47%22%2c%22Oid%22%3a%22bc55b173-cff6-457d-b7a1-64bda7d7581a%22%7d",
        "conferenceId": "177513992",
        "tollNumber": "+1 425 555 0123"
    }
}