openapi: 3.1.0
info:
  title: IBM MQ Administration REST Channels Topics API
  description: REST API for administering and monitoring IBM MQ queue managers, queues, topics, subscriptions, and channels. Provides programmatic access to manage MQ objects and retrieve status information.
  version: '2.0'
  contact:
    name: IBM Support
    url: https://www.ibm.com/mysupport
    email: support@ibm.com
  license:
    name: IBM License
    url: https://www.ibm.com/terms
servers:
- url: https://{host}:{port}/ibmmq/rest/v2
  description: IBM MQ REST API v2
  variables:
    host:
      default: localhost
      description: Hostname of the MQ web server
    port:
      default: '9443'
      description: HTTPS port of the MQ web server
security:
- basicAuth: []
- tokenAuth: []
tags:
- name: Topics
  description: Manage and query topic objects
paths:
  /admin/qmgr/{qmgrName}/topic:
    get:
      operationId: listTopics
      summary: IBM MQ List topics
      description: Retrieve a list of administrative topic objects defined on a queue manager, with optional filtering.
      tags:
      - Topics
      parameters:
      - $ref: '#/components/parameters/qmgrName'
      - $ref: '#/components/parameters/ibmMqRestCsrfToken'
      - name: name
        in: query
        description: Filter topics by name (supports wildcard *)
        schema:
          type: string
      - name: attributes
        in: query
        description: Comma-separated list of attributes to return
        schema:
          type: string
      responses:
        '200':
          description: Topics retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  topic:
                    type: array
                    items:
                      $ref: '#/components/schemas/Topic'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    post:
      operationId: createTopic
      summary: IBM MQ Create a topic
      description: Create a new administrative topic object on the specified queue manager.
      tags:
      - Topics
      parameters:
      - $ref: '#/components/parameters/qmgrName'
      - $ref: '#/components/parameters/ibmMqRestCsrfToken'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TopicCreateRequest'
      responses:
        '201':
          description: Topic created successfully
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '409':
          description: Topic already exists
  /admin/qmgr/{qmgrName}/topic/{topicName}:
    get:
      operationId: getTopic
      summary: IBM MQ Get topic details
      description: Retrieve detailed information about a specific administrative topic object.
      tags:
      - Topics
      parameters:
      - $ref: '#/components/parameters/qmgrName'
      - $ref: '#/components/parameters/topicName'
      - $ref: '#/components/parameters/ibmMqRestCsrfToken'
      - name: attributes
        in: query
        description: Comma-separated list of attributes to return
        schema:
          type: string
      responses:
        '200':
          description: Topic details retrieved
          content:
            application/json:
              schema:
                type: object
                properties:
                  topic:
                    type: array
                    items:
                      $ref: '#/components/schemas/Topic'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: updateTopic
      summary: IBM MQ Update a topic
      description: Modify attributes of an existing administrative topic object.
      tags:
      - Topics
      parameters:
      - $ref: '#/components/parameters/qmgrName'
      - $ref: '#/components/parameters/topicName'
      - $ref: '#/components/parameters/ibmMqRestCsrfToken'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TopicUpdateRequest'
      responses:
        '200':
          description: Topic updated successfully
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteTopic
      summary: IBM MQ Delete a topic
      description: Delete an administrative topic object from the queue manager.
      tags:
      - Topics
      parameters:
      - $ref: '#/components/parameters/qmgrName'
      - $ref: '#/components/parameters/topicName'
      - $ref: '#/components/parameters/ibmMqRestCsrfToken'
      responses:
        '204':
          description: Topic deleted successfully
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    TopicCreateRequest:
      type: object
      required:
      - name
      - topicString
      properties:
        name:
          type: string
          description: Name of the topic object
        topicString:
          type: string
          description: The topic string
        general:
          type: object
          properties:
            description:
              type: string
    TopicUpdateRequest:
      type: object
      properties:
        general:
          type: object
          properties:
            description:
              type: string
            durableSubscriptions:
              type: string
              enum:
              - allowed
              - notAllowed
    Topic:
      type: object
      properties:
        name:
          type: string
          description: Name of the administrative topic object
        topicString:
          type: string
          description: The topic string associated with this topic object
        type:
          type: string
          description: Topic type
        general:
          type: object
          description: General topic attributes
          properties:
            description:
              type: string
              description: Description of the topic
            durableSubscriptions:
              type: string
              enum:
              - allowed
              - notAllowed
              description: Whether durable subscriptions are allowed
            defaultPutResponse:
              type: string
              description: Default put response type
    Error:
      type: object
      properties:
        error:
          type: array
          items:
            type: object
            properties:
              type:
                type: string
                description: Error type
              msgId:
                type: string
                description: Message identifier
              explanation:
                type: string
                description: Explanation of the error
              action:
                type: string
                description: Suggested action
  responses:
    Unauthorized:
      description: Authentication required or credentials invalid
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Invalid request parameters or body
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Requested resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  parameters:
    ibmMqRestCsrfToken:
      name: ibm-mq-rest-csrf-token
      in: header
      required: false
      description: CSRF token required for state-changing operations
      schema:
        type: string
    topicName:
      name: topicName
      in: path
      required: true
      description: Name of the administrative topic object
      schema:
        type: string
    qmgrName:
      name: qmgrName
      in: path
      required: true
      description: Name of the queue manager
      schema:
        type: string
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic authentication with MQ user credentials
    tokenAuth:
      type: apiKey
      in: cookie
      name: LtpaToken2
      description: LTPA token-based authentication via login endpoint
externalDocs:
  description: IBM MQ REST API Documentation
  url: https://www.ibm.com/docs/en/ibm-mq/latest?topic=api-rest