> ## Documentation Index
> Fetch the complete documentation index at: https://docs.hill90.com/llms.txt
> Use this file to discover all available pages before exploring further.

# List agent status transitions



## OpenAPI

````yaml /openapi.yaml get /agents/{id}/status-history
openapi: 3.0.3
info:
  title: Hill90 API
  description: Hill90 platform API — agent management and lifecycle operations.
  version: 0.1.0
servers:
  - url: /
    description: Relative (behind Traefik reverse proxy)
security: []
paths:
  /agents/{id}/status-history:
    get:
      tags:
        - Agents
      summary: List agent status transitions
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
            format: uuid
        - name: limit
          in: query
          schema:
            type: integer
            default: 50
            maximum: 200
      responses:
        '200':
          description: Status history entries ordered by changed_at desc
          content:
            application/json:
              schema:
                type: array
                items:
                  type: object
                  properties:
                    id:
                      type: string
                      format: uuid
                    agent_id:
                      type: string
                      format: uuid
                    old_status:
                      type: string
                    new_status:
                      type: string
                    changed_at:
                      type: string
                      format: date-time
                    changed_by:
                      type: string
                      nullable: true
        '404':
          description: Agent not found
      security:
        - bearerAuth: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

````