openproject/docs/api/apiv3/paths/time_entries_activity_item.yml

# /api/v3/time_entries/activity/{id}
---
get:
  parameters:
  - description: Time entries activity id
    example: '1'
    in: path
    name: id
    required: true
    schema:
      type: integer
  responses:
    '200':
      content:
        application/hal+json:
          examples:
            response:
              value:
                _embedded:
                  projects...: []
                _links:
                  projects:
                  - href: "/api/v3/projects/seeded_project"
                    title: Seeded Project
                  - href: "/api/v3/projects/working-project"
                    title: Working Project
                  self:
                    href: "/api/v3/time_entries/activities/18"
                    title: a autem
                _type: TimeEntriesActivity
                default: false
                id: 18
                name: a autem
                position: 10
          schema:
            "$ref": "../components/schemas/view_time_entries_activity_model.yml"
      description: OK
      headers: {}
    '404':
      content:
        application/hal+json:
          examples:
            response:
              value:
                _type: Error
                errorIdentifier: urn:openproject-org:api:v3:errors:NotFound
                message: The requested resource could not be found.
      description: |-
        Returned if the activity does not exist or if the user does not have permission to view them.

        **Required permission** `view time entries`, `log time`, `edit time entries`, `edit own time entries` or `manage project activities` in any project        
      headers: {}
  tags:
  - Time Entry Activities
  description: ''
  operationId: View_time_entries_activity
  summary: View time entries activity