openapi: 3.1.0
info:
  title: Camunda 8 REST Cluster Messages API
  description: The Camunda 8 REST API provides endpoints for managing process instances, jobs, decisions, deployments, messages, signals, and other resources in the Camunda 8 process orchestration platform.
  version: 8.6.0
  contact:
    name: Camunda
    url: https://camunda.com/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: '{baseUrl}/v2'
  description: Camunda 8 Self-Managed or SaaS
  variables:
    baseUrl:
      default: http://localhost:8080
security:
- BearerAuth: []
tags:
- name: Messages
paths:
  /messages/publication:
    post:
      operationId: publishMessage
      summary: Publish a message
      description: Publishes a message to correlate with waiting subscriptions.
      tags:
      - Messages
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PublishMessageRequest'
      responses:
        '200':
          description: Successful response
components:
  schemas:
    PublishMessageRequest:
      type: object
      required:
      - name
      - correlationKey
      properties:
        name:
          type: string
        correlationKey:
          type: string
        timeToLive:
          type: integer
          format: int64
        messageId:
          type: string
        variables:
          type: object
        tenantId:
          type: string
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer