Salesforce Service Cloud Streaming API

asyncapi: 2.6.0
info:
  title: Salesforce Service Cloud Streaming API
  description: >-
    Real-time event streaming API for Salesforce Service Cloud using the
    Bayeux protocol over CometD. Supports PushTopic events for sObject
    changes, Platform Events for custom event-driven architectures, and
    Change Data Capture events for tracking field-level changes to
    service cloud records.
  version: '59.0'
  contact:
    name: Salesforce Developer Support
    url: https://developer.salesforce.com/support
  license:
    name: Salesforce Master Subscription Agreement
    url: https://www.salesforce.com/company/legal/agreements/
servers:
  production:
    url: https://{instance}.salesforce.com/cometd/59.0
    protocol: https
    description: Salesforce CometD streaming endpoint
    security:
      - oauth2: []
    variables:
      instance:
        default: yourInstance
        description: Your Salesforce instance identifier
channels:
  /topic/{pushTopicName}:
    description: >-
      PushTopic channel for receiving notifications when sObject records
      matching a SOQL query are created, updated, deleted, or undeleted.
    parameters:
      pushTopicName:
        description: Name of the PushTopic record defining the SOQL query
        schema:
          type: string
    subscribe:
      operationId: receivePushTopicEvent
      summary: Receive PushTopic notifications
      description: >-
        Subscribe to receive real-time notifications when Case, Contact,
        Account, or other service cloud sObject records are modified.
      message:
        $ref: '#/components/messages/PushTopicEvent'
  /event/{platformEventName}__e:
    description: >-
      Platform Event channel for receiving custom event messages published
      by Apex, Flow, or API triggers in the service cloud context.
    parameters:
      platformEventName:
        description: API name of the Platform Event definition
        schema:
          type: string
    subscribe:
      operationId: receivePlatformEvent
      summary: Receive Platform Event notifications
      description: >-
        Subscribe to custom platform events such as service case
        escalations, SLA breach notifications, or agent assignment
        changes.
      message:
        $ref: '#/components/messages/PlatformEvent'
  /data/CaseChangeEvent:
    description: >-
      Change Data Capture channel for tracking field-level changes to
      Case records in real-time.
    subscribe:
      operationId: receiveCaseChangeEvent
      summary: Receive Case change events
      description: >-
        Subscribe to receive notifications whenever a Case record is
        created, updated, deleted, or undeleted, including the specific
        fields that changed.
      message:
        $ref: '#/components/messages/ChangeDataCaptureEvent'
components:
  securitySchemes:
    oauth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://login.salesforce.com/services/oauth2/authorize
          tokenUrl: https://login.salesforce.com/services/oauth2/token
          scopes:
            streaming: Access Streaming API
  messages:
    PushTopicEvent:
      name: PushTopicEvent
      title: PushTopic Event Notification
      summary: >-
        Notification triggered when an sObject record matching the
        PushTopic SOQL query is created, updated, deleted, or undeleted.
      contentType: application/json
      payload:
        $ref: '#/components/schemas/PushTopicPayload'
    PlatformEvent:
      name: PlatformEvent
      title: Platform Event Message
      summary: >-
        Custom event message published through the Salesforce Platform
        Events framework.
      contentType: application/json
      payload:
        $ref: '#/components/schemas/PlatformEventPayload'
    ChangeDataCaptureEvent:
      name: ChangeDataCaptureEvent
      title: Change Data Capture Event
      summary: >-
        Event containing field-level change details for a modified
        sObject record.
      contentType: application/json
      payload:
        $ref: '#/components/schemas/ChangeEventPayload'
  schemas:
    PushTopicPayload:
      type: object
      properties:
        channel:
          type: string
          description: The channel the event was received on
        data:
          type: object
          properties:
            event:
              type: object
              properties:
                type:
                  type: string
                  description: Type of change
                  enum:
                    - created
                    - updated
                    - deleted
                    - undeleted
                createdDate:
                  type: string
                  format: date-time
                  description: Timestamp of the event
                replayId:
                  type: integer
                  description: Replay ID for event replay
            sobject:
              type: object
              description: The sObject record data matching the PushTopic query
              properties:
                Id:
                  type: string
                  description: Record ID
    PlatformEventPayload:
      type: object
      properties:
        channel:
          type: string
          description: The platform event channel
        data:
          type: object
          properties:
            schema:
              type: string
              description: Schema ID of the event definition
            payload:
              type: object
              description: Custom event payload fields
            event:
              type: object
              properties:
                replayId:
                  type: integer
                  description: Replay ID for event replay
    ChangeEventPayload:
      type: object
      properties:
        channel:
          type: string
          description: The Change Data Capture channel
        data:
          type: object
          properties:
            schema:
              type: string
              description: Schema ID
            payload:
              type: object
              properties:
                ChangeEventHeader:
                  type: object
                  properties:
                    entityName:
                      type: string
                      description: sObject type name
                    recordIds:
                      type: array
                      items:
                        type: string
                      description: IDs of changed records
                    changeType:
                      type: string
                      description: Type of change
                      enum:
                        - CREATE
                        - UPDATE
                        - DELETE
                        - UNDELETE
                    changedFields:
                      type: array
                      items:
                        type: string
                      description: List of fields that changed
                    commitTimestamp:
                      type: integer
                      description: Commit timestamp in epoch milliseconds
                    commitUser:
                      type: string
                      description: User ID who made the change