openapi: 3.0.3 info: title: Dolby OptiView Real-time Streaming ABR Ladders Cluster API description: 'REST API for managing OptiView Real-time Streaming (formerly Millicast / Dolby.io Real-time Streaming) — publish/subscribe tokens, recordings, transcoders, encoder profiles, clusters, analytics, and webhooks. All requests are authenticated with a Bearer API Secret created in the streaming dashboard (Settings -> Security -> API Secrets). ' version: '2026.05' contact: name: Dolby OptiView Support url: https://optiview.dolby.com/docs/millicast/ servers: - url: https://api.millicast.com/api description: Production REST API security: - BearerAuth: [] tags: - name: Cluster description: Cluster discovery for region-specific publish/subscribe URLs. paths: /cluster: get: tags: - Cluster summary: Get Cluster description: Return the publish/subscribe URLs for the region the account is provisioned in. operationId: getCluster responses: '200': description: Cluster info content: application/json: schema: $ref: '#/components/schemas/Cluster' components: schemas: Cluster: type: object properties: publishUrl: type: string format: uri subscribeUrl: type: string format: uri wsUrl: type: string format: uri securitySchemes: BearerAuth: type: http scheme: bearer bearerFormat: API Secret