Get an activity event
Activity module
GET/activity-events/{id}activityEvents.get
A user-facing activity feed entry, separate from the compliance audit ledger. Returns one activity event with its `ETag`. A activity event the caller may not see returns 404.
- Requires the capability activity.feed.read.
- OAuth scopes: activity.
- Error statuses: 400, 401, 404, 429. Errors are RFC 9457 problem details.
Path and query parameters
| Field | Type | Required | Description |
|---|---|---|---|
| id | string (uuid) | Yes | Identifier of the activity event. |
| fields | Fields | No | Sparse fieldset: a comma-separated list of top-level fields to return. `id` is always returned.Constraints: pattern ^[a-z_][a-z0-9_]*(,[a-z_][a-z0-9_]*)*$ |
Response 200: ActivityEvent
| Field | Type | Required | Description |
|---|---|---|---|
| id | string (uuid) | Yes | Identifier of the activity event. |
| org_id | string (uuid) | Yes | Identifier of the owning organization, derived from the parent row and never accepted from the caller. |
| created_at | string (date-time) | Yes | When the row was created. |
| created_by | string (uuid) | null | Yes | Identifier of the person who created the row; null when a seed, platform or system process created it. |
| updated_at | string (date-time) | Yes | When the row was last updated. |
| updated_by | string (uuid) | null | Yes | Identifier of the person who last updated the row; null when a seed, platform or system process updated it. |
| actor_id | string (uuid) | null | Yes | Identifier of the person who acted. |
| verb | string | Yes | What happened.Constraints: pattern ^[A-Za-z0-9][A-Za-z0-9._-]{0,63}$ |
| subject_urn | string | Yes | URN of the subject.Constraints: length 1 to 300 |
| project_id | string (uuid) | null | Yes | Identifier of the project. |
| occurred_at | string (date-time) | Yes | When it happened. |
| summary | string | Yes | Rendered summary key arguments.Constraints: length 1 to 300 |
| domain_event_id | string (uuid) | null | Yes | Identifier of the domain event the activity row shows, as webhooks and the outbox name it. |
{
"id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"org_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"created_at": "2026-10-08T14:30:00Z",
"created_by": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"updated_at": "2026-10-08T14:30:00Z",
"updated_by": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"actor_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"verb": "record.state_changed",
"subject_urn": "urn:xpms:record:0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"project_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"occurred_at": "2026-10-08T14:30:00Z",
"summary": "Moved to Scheduled",
"domain_event_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f"
}Code samples
curl -X GET "$XOS_BASE_URL/activity-events/0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f" \
-H "Authorization: Bearer $XOS_API_KEY"const { data, etag } = await xos.activityEvents.get("0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f");response = xos.activity_events.get("0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f")xos activity-events get 0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f