> ## Documentation Index
> Fetch the complete documentation index at: https://doc.featherhq.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Audit-trail of lifecycle transitions for a cluster



## OpenAPI

````yaml /api-reference/openapi.json get /v1/knowledge-gaps/clusters/{cluster_id}/lifecycle-events
openapi: 3.1.0
info:
  title: Feather API
  description: >-
    Unified customer experience platform API. Manages identity, conversations,
    memory, agents, procedures, policies, model routing, knowledge bases,
    integrations, and runtime execution.
  version: 1.21.0
servers:
  - url: https://api-sandbox.featherhq.com
    description: Sandbox
  - url: http://localhost:8000
    description: Local dev
security: []
paths:
  /v1/knowledge-gaps/clusters/{cluster_id}/lifecycle-events:
    get:
      tags:
        - knowledge-gap-analytics
      summary: Audit-trail of lifecycle transitions for a cluster
      operationId: listKnowledgeGapClusterLifecycleEvents
      parameters:
        - name: cluster_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
            title: Cluster Id
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            maximum: 200
            minimum: 1
            default: 50
            title: Limit
        - name: offset
          in: query
          required: false
          schema:
            type: integer
            minimum: 0
            default: 0
            title: Offset
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LifecycleEventsResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Authentication required
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      security:
        - APIKeyHeader: []
components:
  schemas:
    LifecycleEventsResponse:
      properties:
        items:
          items:
            $ref: '#/components/schemas/LifecycleEventRow'
          type: array
          title: Items
        total:
          type: integer
          title: Total
      type: object
      required:
        - items
        - total
      title: LifecycleEventsResponse
    ErrorResponse:
      properties:
        error:
          type: string
          title: Error
        message:
          type: string
          title: Message
      type: object
      required:
        - error
        - message
      title: ErrorResponse
      description: Standard error response returned by all API error handlers.
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    LifecycleEventRow:
      properties:
        id:
          type: string
          format: uuid
          title: Id
        gap_cluster_id:
          type: string
          format: uuid
          title: Gap Cluster Id
        from_status:
          anyOf:
            - type: string
            - type: 'null'
          title: From Status
        to_status:
          type: string
          title: To Status
        actor_user_id:
          anyOf:
            - type: string
              format: uuid
            - type: 'null'
          title: Actor User Id
        actor_type:
          type: string
          title: Actor Type
        reason:
          anyOf:
            - type: string
            - type: 'null'
          title: Reason
        note:
          anyOf:
            - type: string
            - type: 'null'
          title: Note
        created_at:
          type: string
          format: date-time
          title: Created At
      type: object
      required:
        - id
        - gap_cluster_id
        - from_status
        - to_status
        - actor_user_id
        - actor_type
        - reason
        - note
        - created_at
      title: LifecycleEventRow
      description: One row of ``gap_cluster_lifecycle_events`` for the timeline view.
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  securitySchemes:
    APIKeyHeader:
      type: apiKey
      in: header
      name: x-api-key

````