> ## 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 every category of a help center with its locale for the requested language. Top-level categories have a null parent id.

# List help center topics



## OpenAPI

````yaml get /hc/{helpCenterId}/categories
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}/categories:
    get:
      summary: List help center topics
      description: >-
        List every topic of the help center with its locale for the requested
        language (primary language when omitted). parent_id is null for
        top-level topics.
      operationId: listHelpCenterTopics
      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
      responses:
        '200':
          description: Default Response
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CategoryListItemResponseDto'
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorDto'
components:
  schemas:
    CategoryListItemResponseDto:
      $schema: https://json-schema.org/draft/2020-12/schema
      $id: '#/components/schemas/CategoryListItemResponseDto'
      type: object
      properties:
        entity:
          type: object
          properties:
            id:
              type: string
              format: uuid
              pattern: >-
                ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$
            help_center_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)$
            icon:
              anyOf:
                - type: string
                - type: 'null'
            parent_id:
              anyOf:
                - 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)$
                - type: 'null'
            created_at:
              type: string
              format: date-time
          required:
            - id
            - help_center_id
            - icon
            - parent_id
            - created_at
          additionalProperties: false
        locale:
          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)$
            category_entity_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)$
            help_center_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)$
            language_code:
              type: string
            name:
              type: string
            slug:
              type: string
            description:
              anyOf:
                - type: string
                - type: 'null'
            is_manual:
              anyOf:
                - type: boolean
                - type: 'null'
            created_at:
              type: string
              format: date-time
          required:
            - id
            - category_entity_id
            - help_center_id
            - language_code
            - name
            - slug
            - description
            - is_manual
            - created_at
          additionalProperties: false
      required:
        - entity
      additionalProperties: false
    ErrorDto:
      type: object
      properties:
        statusCode:
          type: integer
        message:
          type: string
        error:
          type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

````