Kafka Events

7 produced and 4 consumed event topics for the Studio Service.

Event Format: CloudEvents 1.0

All events follow the CloudEvents 1.0 specification. Events are partitioned by tenant_id and published to Amazon MSK Serverless. studio-svc both produces and consumes events for automated media generation workflows.

Brokers

Environment	Broker	Auth
Staging	`boot-gpm4u49z.c2.kafka-serverless.us-east-1.amazonaws.com:9098`	`SASL/OAUTHBEARER (IAM)`
Production	`b-1.eventzr-msk-prod.ap-south-1.amazonaws.com:9098`	`SASL/OAUTHBEARER (IAM)`

Event Envelope

CloudEvents 1.0 envelopejson

{
  "specversion": "1.0",
  "type": "eventzr.studio.render-job.completed.v1",
  "source": "studio-svc",
  "id": "evt-550e8400-e29b-41d4-a716-446655440000",
  "time": "2026-02-28T12:00:00.000Z",
  "datacontenttype": "application/json",
  "subject": "tenant-uuid",
  "data": {
    "tenantId": "tenant-uuid",
    "userId": "user-uuid",
    "jobId": "job-uuid",
    "type": "image",
    "provider": "dall-e-3",
    "outputUrl": "https://s3.amazonaws.com/eventzr-studio-assets-dev/...",
    "durationMs": 8500,
    "creditsUsed": 25
  }
}

Produced Topics (7)

Render Jobs3

Topic	Description
`eventzr.studio.render-job.created.v1`	Render job submitted for processing (image, video, audio, etc.)
`eventzr.studio.render-job.completed.v1`	Render job finished successfully with output URL
`eventzr.studio.render-job.failed.v1`	Render job failed after all retries exhausted

Templates2

Topic	Description
`eventzr.studio.template.created.v1`	New media template created (poster, invitation, presentation, etc.)
`eventzr.studio.template.updated.v1`	Existing template updated with new configuration or assets

Voice Models2

Topic	Description
`eventzr.studio.voice-model.created.v1`	Voice cloning training job submitted (ElevenLabs)
`eventzr.studio.voice-model.ready.v1`	Voice model training completed and is ready for use

Consumed Topics (4)

Inbound Triggers4

Topic	Description
`eventzr.event.created.v1`	Auto-generate event poster and invitation when new event is created
`eventzr.event.published.v1`	Generate social media assets when event is published
`eventzr.cms.published.v1`	Generate media for CMS content (blog images, thumbnails)
`eventzr.campaign.launched.v1`	Generate campaign creative assets (banners, social posts)