get:
  tags:
    - Inboxes
  operationId: listAllInboxes
  summary: List all inboxes
  description: List all inboxes available in the current account
  parameters:
    - $ref: '#/parameters/account_id'
  responses:
    200:
      description: Success
      schema:
        type: array
        description: 'Array of inboxes'
        items:
          $ref: '#/definitions/inbox'
    404:
      description: Inbox not found
    403:
      description: Access denied