> ## 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 chat threads

> Lists threads the caller participates in. Admin sees all threads.
Returns last message preview (truncated to 100 chars).




## OpenAPI

````yaml /ai-app/openapi.yaml get /chat/threads
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:
  /chat/threads:
    get:
      summary: List chat threads
      description: |
        Lists threads the caller participates in. Admin sees all threads.
        Returns last message preview (truncated to 100 chars).
      responses:
        '200':
          description: Thread list
          content:
            application/json:
              schema:
                type: array
                items:
                  type: object
                  properties:
                    id:
                      type: string
                      format: uuid
                    type:
                      type: string
                      enum:
                        - direct
                        - group
                    title:
                      type: string
                      nullable: true
                    created_by:
                      type: string
                    lead_agent_id:
                      type: string
                      format: uuid
                      nullable: true
                      description: Lead agent for collaborative dispatch (null = broadcast)
                    last_message:
                      type: string
                      nullable: true
                    last_author_type:
                      type: string
                      nullable: true
                    created_at:
                      type: string
                      format: date-time
                    updated_at:
                      type: string
                      format: date-time
        '401':
          description: Not authenticated
      security:
        - bearerAuth: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

````