List Attendees

Returns a paginated list of attendances for a single course.

Required license

This endpoint requires the company's course license.

Request

GET /api/oauth/v2/resource/courses/{uuid}/attendees

Header

Header	Value
Authorization	Bearer {access_token}

URL parameters

Parameter	Type	Required	Description
uuid	string	Yes	Unique course ID

Query parameters

Parameter	Type	Required	Description
status	string	No	Filters by status, combinable as a comma-separated list. Allowed values: active (not canceled), deleted (canceled). Default: all (all values). See Conventions.
offset	integer	No	Start position (default: 0)
limit	integer	No	Number of results (default: 50, max: 200)

Note: This endpoint always requires the scopes courses, users and customers.

Note: Without a status filter, this endpoint sorts by internal ID ascending, see Conventions.

Response

Success (200 OK)

{
  "data": [
    {
      "id": "b2c3d4e5-f6a7-8901-bcde-f12345678901",
      "course": "c3d4e5f6-a7b8-9012-cdef-012345678901",
      "customer": "f0e1d2c3-b4a5-6789-fedc-ba9876543210",
      "bookingDate": "2026-03-01T10:00:00+01:00",
      "deleted": false,
      "deletedAt": null,
      "deletedBy": null,
      "stornoReason": null,
      "cancelableUntil": "2026-02-28T10:00:00+01:00",
      "customerNotice": null,
      "billStatus": "open"
    }
  ],
  "meta": {
    "total": 12,
    "offset": 0,
    "limit": 50
  }
}

Response fields

Field	Type	Description
data	Array	List of attendances
data[].id	string (UUID) | null	Unique attendance ID. null until the backfill — a client expecting a string must handle null.
data[].course	string (UUID) | null	Course. Look up via Course Details
data[].customer	string (UUID) | null	Customer. Look up via GET /customers/{uuid}
data[].bookingDate	string (ISO 8601) | null	Booking date
data[].deleted	boolean	true if the attendance is canceled — status is either registered or canceled
data[].deletedAt	string (ISO 8601) | null	Cancellation timestamp, null if not canceled
data[].deletedBy	string (UUID) | null	User who canceled the attendance. Look up via GET /users/{uuid}
data[].stornoReason	string | null	Cancellation reason
data[].cancelableUntil	string (ISO 8601) | null	Last time for a free cancellation
data[].customerNotice	string | null	Note about the customer for this attendance
data[].billStatus	string	Billing status: open, invoiced, ignore, unknown
meta.total	integer	Total number of attendances (considering the status filter)
meta.offset	integer	Current start position
meta.limit	integer	Number of returned entries

Beispiele

bash

curl -X GET "https://my.offisy.at/api/oauth/v2/resource/courses/b2c3d4e5-f6a7-8901-bcde-f01234567890/attendees?status=all&offset=0&limit=50" \
  -H "Authorization: Bearer {access_token}"

Server

Client-ID

Client-Secret

Parameter

uuid *string

status string

offset integer

limit integer

Zuerst Token anfordern

Possible errors

Status	Code	Description
400	validation_error	status contains an invalid value
401	invalid_client	Invalid or missing access token
403	insufficient_scope	Scope courses, users, or customers is missing
403	insufficient_scope	Course license not present
404	not_found	Course not found