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PATCH
Update attendee status

Path Parameters

id
integer<int64>
required

Event ID

contact_id
string
required

Contact UUID

Body

application/json
status
enum<string>
required

New status

Available options:
invited,
confirmed,
declined,
tentative,
checked_in

Response

OK

contact_id
string
required

Contact UUID

created_at
string<date-time>
required

Created timestamp

id
integer<int64>
required

Attendee record ID

is_checked_in
boolean
required

Whether checked in

status
enum<string>
required

Attendance status

Available options:
invited,
confirmed,
declined,
tentative,
checked_in
updated_at
string<date-time>
required

Updated timestamp

$schema
string<uri>
read-only

A URL to the JSON Schema for this object.

Example:

"https://api.linebundle.com/schemas/Attendee.json"

checked_in_at
string<date-time>

Check-in time

event_id
integer<int64>

Event ID (when attending a specific occurrence)

invited_at
string<date-time>

When invited

notes
string

Optional notes

org_id
string

Organization ID

responded_at
string<date-time>

When responded

series_id
integer<int64>

Series ID (when attending all occurrences in a series)

Last modified on June 11, 2026