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

# List catalog categories

> The store's full category vocabulary, for catalog discovery. Each label is usable verbatim in the `filters.categories` of a catalog search; the optional `count` is store-global, never scoped to a search.



## OpenAPI

````yaml /api-reference/openapi.yaml get /api/commerce/catalog/categories
openapi: 3.1.0
info:
  title: VaultGraph Portal API
  version: 0.1.1
  description: Server-to-server endpoints exposed by the VaultGraph portal (beta).
servers:
  - url: https://app.vaultgraph.com
    description: Production
security: []
tags:
  - name: Shops
    description: Shop management endpoints.
  - name: Commerce
    description: >-
      Deployment-scoped commerce endpoints (catalog, checkout, order).
      Authenticated with a deployment (`dk_`) API key. Internal plumbing between
      the hosted MCP server and the merchant adapter — merchants integrate via
      the MCP, not these REST routes.
paths:
  /api/commerce/catalog/categories:
    get:
      tags:
        - Commerce
      summary: List catalog categories
      description: >-
        The store's full category vocabulary, for catalog discovery. Each label
        is usable verbatim in the `filters.categories` of a catalog search; the
        optional `count` is store-global, never scoped to a search.
      operationId: listCatalogCategories
      responses:
        '200':
          description: The store's category vocabulary
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Category'
        '401':
          description: Missing or invalid API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
        - ApiKeyAuth: []
components:
  schemas:
    Category:
      type: object
      required:
        - value
      description: >-
        One entry in a store's category vocabulary. `value` is usable verbatim
        in a catalog search's filters.categories.
      properties:
        value:
          type: string
        count:
          type: integer
          description: Store-global product count for this category, never query-scoped.
    ErrorResponse:
      type: object
      required:
        - error
      properties:
        error:
          type: string
        detail:
          type: string
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key

````