openapi: 3.0.3 info: title: Dolby OptiView Real-time Streaming ABR Ladders Regions 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: Regions paths: /regions: get: tags: - Regions operationId: get-regions summary: Get all regions available for your organization responses: '200': description: List of regions content: application/json: schema: $ref: '#/components/schemas/RegionListResult' components: schemas: RegionListResult: type: object properties: data: type: array items: type: object properties: id: type: string description: Unique identifier of the region name: type: string description: Display name of the region required: - id - name description: List of regions required: - data securitySchemes: BearerAuth: type: http scheme: bearer bearerFormat: API Secret