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POST
/
v2
/
bookings
/
{bookingUid}
/
mark-absent
Mark a booking absence
curl --request POST \
  --url https://api.cal.com/v2/bookings/{bookingUid}/mark-absent \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --header 'cal-api-version: <cal-api-version>' \
  --data '
{
  "host": false,
  "attendees": [
    {
      "email": "<string>",
      "absent": true
    }
  ]
}
'
{
  "status": "success",
  "data": {
    "id": 123,
    "uid": "booking_uid_123",
    "title": "Consultation",
    "description": "Learn how to integrate scheduling into marketplace.",
    "hosts": [
      {
        "id": 1,
        "name": "Jane Doe",
        "email": "jane100@example.com",
        "displayEmail": "jane100@example.com",
        "username": "jane100",
        "timeZone": "America/Los_Angeles"
      }
    ],
    "status": "accepted",
    "start": "2024-08-13T15:30:00Z",
    "end": "2024-08-13T16:30:00Z",
    "duration": 60,
    "eventTypeId": 50,
    "eventType": {
      "id": 1,
      "slug": "some-event"
    },
    "location": "https://example.com/meeting",
    "absentHost": true,
    "createdAt": "2024-08-13T15:30:00Z",
    "updatedAt": "2024-08-13T15:30:00Z",
    "attendees": [
      {
        "name": "John Doe",
        "email": "john@example.com",
        "displayEmail": "john@example.com",
        "timeZone": "America/New_York",
        "absent": false,
        "language": "en",
        "phoneNumber": "+1234567890"
      }
    ],
    "bookingFieldsResponses": {
      "customField": "customValue"
    },
    "cancellationReason": "User requested cancellation",
    "cancelledByEmail": "canceller@example.com",
    "reschedulingReason": "User rescheduled the event",
    "rescheduledByEmail": "rescheduler@example.com",
    "rescheduledFromUid": "previous_uid_123",
    "rescheduledToUid": "new_uid_456",
    "meetingUrl": "https://example.com/recurring-meeting",
    "metadata": {
      "key": "value"
    },
    "rating": 4,
    "icsUid": "ics_uid_123",
    "guests": [
      "guest1@example.com",
      "guest2@example.com"
    ]
  }
}

Documentation Index

Fetch the complete documentation index at: https://cal.com/docs/llms.txt

Use this file to discover all available pages before exploring further.

Headers

​
cal-api-version
string
default:2026-02-25
required

Must be set to 2026-02-25.

​
Authorization
string
required

value must be Bearer <token> where <token> is api key prefixed with cal_, managed user access token, or OAuth access token

Path Parameters

​
bookingUid
string
required

Body

application/json
​
host
boolean

Whether the host was absent

Example:

false

​
attendees
object[]

Response

200 - application/json
​
status
enum<string>
required
Available options:
success,
error
Example:

"success"

​
data
object
required

Booking data, which can be either a BookingOutput object or a RecurringBookingOutput object