For AI agents: markdown of this page — /docs-content-en/entities/activities/get.md documentation index — /llms.txt
Get activity
GET /v1/activities/:id
Returns an activity by ID with all fields.
Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
id (path) |
number | yes | Activity ID |
Examples
curl — personal key
curl "https://vibecode.bitrix24.com/v1/activities/3894" \
-H "X-Api-Key: YOUR_API_KEY"
curl — OAuth application
curl "https://vibecode.bitrix24.com/v1/activities/3894" \
-H "X-Api-Key: YOUR_APP_KEY" \
-H "Authorization: Bearer USER_SESSION_TOKEN"
JavaScript — personal key
const res = await fetch('https://vibecode.bitrix24.com/v1/activities/3894', {
headers: {
'X-Api-Key': 'YOUR_API_KEY',
},
})
const { success, data } = await res.json()
console.log('Activity:', data.subject, '— completed:', data.completed)
JavaScript — OAuth application
const res = await fetch('https://vibecode.bitrix24.com/v1/activities/3894', {
headers: {
'X-Api-Key': 'YOUR_APP_KEY',
'Authorization': 'Bearer USER_SESSION_TOKEN',
},
})
const { success, data } = await res.json()
Response fields
The activity object with all fields — see Activity fields.
Response example
{
"success": true,
"data": {
"id": 3894,
"typeId": 1,
"ownerTypeId": 2,
"ownerId": 741,
"subject": "Project meeting",
"description": "Discussing delivery terms",
"responsibleId": 1,
"priority": 2,
"direction": 2,
"completed": false,
"startTime": "2026-04-16T10:00:00+00:00",
"endTime": "2026-04-16T11:00:00+00:00",
"deadline": "2026-04-16T11:00:00+00:00",
"createdAt": "2026-04-15T14:30:00+00:00",
"updatedAt": "2026-04-15T14:30:00+00:00"
}
}
Error response example
404 — activity not found:
{
"success": false,
"error": {
"code": "ENTITY_NOT_FOUND",
"message": "Item not found"
}
}
Errors
| HTTP | Code | Description |
|---|---|---|
| 404 | ENTITY_NOT_FOUND |
Activity with this ID not found |
| 403 | ACCESS_DENIED |
No access to the activity |
| 403 | SCOPE_DENIED |
The API key lacks the crm scope |
| 401 | TOKEN_MISSING |
The API key has no configured tokens |
Full list of common API errors — Errors.
See also
- Update activity — changing fields
- List activities — search with filters
- Activity fields — description of all fields
- Limits and optimization — rate limits