> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tai42.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# List marketplace categories

> The registry's controlled category vocabulary — a plain array Studio
renders as facet chips.



## OpenAPI

````yaml /openapi.json get /api/marketplace/categories
openapi: 3.1.0
info:
  description: The operator HTTP surface served under /api/*.
  title: tai42-skeleton API
  version: 0.1.1
servers: []
security: []
paths:
  /api/marketplace/categories:
    get:
      tags:
        - marketplace
      summary: List marketplace categories
      description: |-
        The registry's controlled category vocabulary — a plain array Studio
        renders as facet chips.
      operationId: get_api_marketplace_categories
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  data: {}
                required:
                  - data
                type: object
          description: Success.
        '401':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Missing or invalid api key.
        '502':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
          description: Error.
      security:
        - ApiKeyAuth: []
components:
  schemas:
    Error:
      properties:
        error:
          type: string
      required:
        - error
      type: object
  securitySchemes:
    ApiKeyAuth:
      in: header
      name: x-api-key
      type: apiKey

````