Work item activities overview

Activities are the append-only audit trail on a work item.

The activity object

Attributes

• actor_id string (uuid)

  The related actor.

• comment string

  The comment.

• created_at string (date-time)

  When the record was created.

• duration integer

  Time logged, in minutes.

• epoch number

  The epoch.

• external_id string

  Your system's identifier for this record, for sync and import correlation.

• external_source string

  The system external_id came from, for example github or jira.

• field string

  The field.

• id string (uuid)

  Unique identifier.

• issue_comment_id string (uuid)

  The related issue comment.

• new_identifier_id string (uuid)

  The related new identifier.

• new_value string

  The new value.

• old_identifier_id string (uuid)

  The related old identifier.

• old_value string

  The old value.

• verb string

  The verb.

• work_item_id string (uuid)

  The related work item.

Response200

{
  "actor_id": "f960d3c2-8524-4a41-b8eb-055ce4be2a7f",
  "comment": "example",
  "created_at": "2026-01-14T09:22:41.478363Z",
  "duration": 90,
  "epoch": 1,
  "external_id": null,
  "external_source": null,
  "field": "example",
  "id": "b7e42a19-3c5d-4f80-9a26-8d1c0f4e7b53",
  "issue_comment_id": "f960d3c2-8524-4a41-b8eb-055ce4be2a7f",
  "new_identifier_id": "f960d3c2-8524-4a41-b8eb-055ce4be2a7f",
  "new_value": "example",
  "old_identifier_id": "f960d3c2-8524-4a41-b8eb-055ce4be2a7f",
  "old_value": "example",
  "verb": "example",
  "work_item_id": "f960d3c2-8524-4a41-b8eb-055ce4be2a7f"
}

Endpoints

Method	Path	Description
GET	/api/v2/workspaces/{slug}/projects/{project_id}/work-items/{work_item_id}/activities/	List activities
GET	/api/v2/workspaces/{slug}/projects/{project_id}/work-items/{work_item_id}/activities/{pk}/	Get an activity

Response shaping

Every activity read accepts ?fields= for sparse responses — see Sparse fields. Errors follow the shared problem+json contract.