}. A Bitrix24 completion refusal returns 422; a missing activity returns 404."> }. A Bitrix24 completion refusal returns 422; a missing activity returns 404."> }. A Bitrix24 completion refusal returns 422; a missing activity returns 404.">

For AI agents: markdown of this page — /docs-content-en/entities/activities/complete.md documentation index — /llms.txt

Complete an activity

POST /v1/activities/:id/complete calls crm.timeline.activity.complete for any activity. No body is required. The CRM owner is read through crm.activity.get.

Success: HTTP 200, { "success": true, "data": <read-back activity> }. A Bitrix24 completion refusal returns 422; a missing activity returns 404.