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

# List product categories



## OpenAPI

````yaml /openapi.yaml get /v1/categories
openapi: 3.1.0
info:
  title: Lojou API
  version: 1.0.0
  description: |
    Official reference for the Lojou `/v1` API — everything a developer needs
    to create products, process orders, manage plans, and receive webhooks
    from a Lojou store.
servers:
  - url: https://api.lojou.app
    description: Production
security:
  - bearerAuth: []
tags:
  - name: Health
  - name: OAuth
  - name: User
  - name: Products
  - name: Plans
  - name: Orders
  - name: Customers
  - name: Files
  - name: Webhooks
  - name: Discounts
  - name: Affiliates
paths:
  /v1/categories:
    get:
      tags:
        - Products
      summary: List product categories
      operationId: getV1Categories
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
              example:
                status: success
                categories:
                  - id: 1
                    name: Educação
                    subcategories:
                      - Cursos online
                      - E-books
                      - Mentoria
                  - id: 2
                    name: Saúde e Bem-estar
                    subcategories:
                      - Fitness
                      - Nutrição
                      - Terapias
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '403':
          $ref: '#/components/responses/ForbiddenError'
components:
  responses:
    UnauthorizedError:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            status: error
            message: Unauthorized user.
    ForbiddenError:
      description: Forbidden
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            status: error
            message: Permission denied for this endpoint.
            error_code: insufficient_scope
            required_scopes:
              - orders.read
            missing_scopes:
              - orders.read
            granted_scopes:
              - products.read
              - products.write
  schemas:
    ErrorResponse:
      type: object
      properties:
        status:
          type: string
          example: error
        message:
          type: string
      additionalProperties: true
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: |
        Send an API key or an OAuth access token in the `Authorization` header
        as a Bearer token. See [Authentication](/authentication) for details.

````