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

# List artifact versions

> Return the artifact version numbers



## OpenAPI

````yaml productions/api-reference/openapi/en/agent-api-server.json GET /apps/{app_name}/users/{user_id}/sessions/{session_id}/artifacts/{artifact_name}/versions
openapi: 3.1.0
info:
  title: Agent API Server
  version: google-adk 2.2.0
  description: >-
    Public HTTP endpoints for Google ADK 2.2.0; /dev routes require the
    development UI to be enabled
servers:
  - url: http://localhost:8000
    description: Local server
security: []
tags:
  - name: Service and applications
  - name: Sessions
  - name: Agent execution
  - name: Artifacts
  - name: Memory
  - name: Evaluation · development server
  - name: Debugging · development server
  - name: Compatibility endpoints
paths:
  /apps/{app_name}/users/{user_id}/sessions/{session_id}/artifacts/{artifact_name}/versions:
    get:
      tags:
        - Artifacts
      summary: List artifact versions
      description: Return the artifact version numbers
      operationId: agentApiListArtifactVersions
      parameters:
        - name: app_name
          in: path
          required: true
          schema:
            type: string
            title: App Name
          description: Application name
          example: travel_assistant
        - name: user_id
          in: path
          required: true
          schema:
            type: string
            title: User Id
          description: User ID
          example: user-001
        - name: session_id
          in: path
          required: true
          schema:
            type: string
            title: Session Id
          description: Session ID
          example: session-001
        - name: artifact_name
          in: path
          required: true
          schema:
            type: string
            title: Artifact Name
          description: Artifact name
          example: notes.txt
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: array
                items:
                  type: integer
                title: >-
                  Response List Artifact Versions Apps  App Name  Users  User
                  Id  Sessions  Session Id  Artifacts  Artifact Name  Versions
                  Get
        '422':
          description: Request validation failed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
          description: Error details
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
          description: Location of the invalid field
        msg:
          type: string
          title: Message
          description: Validation error message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError

````