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

> List the version history of a help center article for a language. Use to audit changes or pick a version id to publish as a rollback.

# List versions of a help center article



## OpenAPI

````yaml get /hc/{helpCenterId}/articles/{entityId}/versions
openapi: 3.1.0
info:
  title: OpenCX API
  description: >

    OpenCX is an AI-powered, all-in-one platform for customer support and
    outbound communications.


    Use this API to manage your OpenCX organization's AI agents, actions,
    conversations, contacts, and more.


    To get started, generate a new API key from the dashboard.


    ## Authentication

    All API endpoints require authentication using a Bearer token. You can
    generate an API key from your OpenCX dashboard.


    ## Rate Limiting

    API requests are rate limited to ensure fair usage. The current limits are:

    - 100 requests per minute for standard endpoints

    - 1000 requests per minute for streaming endpoints


    ## Error Handling

    The API uses standard HTTP status codes and returns detailed error messages
    in the response body.
  version: 1.0-beta
  license:
    name: MIT
    url: https://opensource.org/licenses/MIT
servers:
  - url: http://localhost:8080
    description: Development
  - url: https://api.open.cx
    description: Production
security:
  - bearerAuth: []
paths:
  /hc/{helpCenterId}/articles/{entityId}/versions:
    get:
      summary: List versions of a help center article
      operationId: listHelpCenterArticleVersions
      parameters:
        - schema:
            type: string
          in: query
          name: language_code
          required: false
        - schema:
            type: string
            format: uuid
            pattern: >-
              ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$
          in: path
          name: helpCenterId
          required: true
        - schema:
            type: string
            format: uuid
            pattern: >-
              ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$
          in: path
          name: entityId
          required: true
      responses:
        '200':
          description: Default Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ArticleVersionsResponseDto'
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorDto'
components:
  schemas:
    ArticleVersionsResponseDto:
      $schema: https://json-schema.org/draft/2020-12/schema
      $id: '#/components/schemas/ArticleVersionsResponseDto'
      type: object
      properties:
        versions:
          type: array
          items:
            type: object
            properties:
              source_version_id:
                type: string
                format: uuid
                pattern: >-
                  ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$
              version_number:
                anyOf:
                  - type: integer
                    minimum: -9007199254740991
                    maximum: 9007199254740991
                  - type: 'null'
              created_at:
                type: string
                format: date-time
              is_active:
                anyOf:
                  - type: boolean
                  - type: 'null'
              locales:
                type: array
                items:
                  type: object
                  properties:
                    id:
                      type: string
                      format: uuid
                      pattern: >-
                        ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$
                    title:
                      type: string
                    slug:
                      type: string
                    is_manual:
                      anyOf:
                        - type: boolean
                        - type: 'null'
                    content_markdown:
                      anyOf:
                        - type: string
                        - type: 'null'
                    created_at:
                      type: string
                      format: date-time
                    is_published:
                      anyOf:
                        - type: boolean
                        - type: 'null'
                    published_at:
                      anyOf:
                        - type: string
                          format: date-time
                        - type: 'null'
                  required:
                    - id
                    - title
                    - slug
                    - is_manual
                    - content_markdown
                    - created_at
                    - is_published
                    - published_at
                  additionalProperties: false
            required:
              - source_version_id
              - version_number
              - created_at
              - is_active
              - locales
            additionalProperties: false
      required:
        - versions
      additionalProperties: false
    ErrorDto:
      type: object
      properties:
        statusCode:
          type: integer
        message:
          type: string
        error:
          type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

````