> ## Documentation Index > Fetch the complete documentation index at: https://docs.case.dev/llms.txt > Use this file to discover all available pages before exploring further. # List available voices > Retrieve a list of available voices for text-to-speech synthesis. This endpoint provides access to a comprehensive catalog of voices with various characteristics, languages, and styles suitable for legal document narration, client presentations, and accessibility purposes. ## OpenAPI ````yaml /openapi.json get /voice/v1/voices openapi: 3.1.0 info: title: Case.dev API description: >- The AI-native platform for legal technology. Build smarter legal applications with our suite of AI-powered APIs. version: 1.0.0 contact: name: Case.dev Support email: support@casemark.com url: https://case.dev license: name: Proprietary url: https://case.dev/terms servers: - url: https://api.case.dev description: Production security: - bearerAuth: [] tags: - name: Vaults description: Secure document storage with semantic search and GraphRAG - name: Memory description: >- Persistent memory for AI agents with semantic search and 12 generic indexed tag fields - name: OCR description: Extract text from PDFs, images, and scanned documents - name: Voice description: Audio transcription and text-to-speech - name: LLMs description: Access 40+ language models through a unified API - name: Search description: Web search, AI answers, and deep research - name: Mail description: Managed inboxes for agent email workflows - name: Media description: Transcript retrieval and captioned media clip generation - name: Legal description: Legal research tools including citation verification - name: Privilege description: Privilege detection for e-discovery and litigation workflows - name: Compute description: Serverless GPU and CPU infrastructure - name: Format description: Document formatting and template rendering (MD/JSON to PDF/DOCX) - name: SuperDoc description: Document conversion and template automation - name: Webhooks description: Webhook endpoint management - name: System description: Public system metadata and discovery endpoints - name: Usage description: Usage reporting and webhook subscriptions - name: Database description: Serverless PostgreSQL databases with instant branching - name: Translation description: Language detection and translation for multilingual legal workflows - name: Skills description: Search and read legal AI skills for agents - name: Agents description: >- Create, manage, and execute AI agents with tool access, sandbox environments, and async run workflows - name: Matters description: Matter-native legal workspaces and orchestration primitives - name: Applications Projects description: Web application project management - name: Applications Deployments description: Web application deployment management - name: Applications Domains description: Custom domain configuration for applications - name: Applications Env Vars description: Environment variable management for applications paths: /voice/v1/voices: get: tags: - Voice summary: List available voices description: >- Retrieve a list of available voices for text-to-speech synthesis. This endpoint provides access to a comprehensive catalog of voices with various characteristics, languages, and styles suitable for legal document narration, client presentations, and accessibility purposes. operationId: listVoices parameters: - name: page_size in: query description: Number of voices to return per page (max 100) required: false schema: type: integer minimum: 1 maximum: 100 default: 50 - name: next_page_token in: query description: Token for retrieving the next page of results required: false schema: type: string - name: search in: query description: Search term to filter voices by name or description required: false schema: type: string - name: voice_type in: query description: Filter by voice type required: false schema: type: string enum: - premade - cloned - professional - name: category in: query description: Filter by voice category required: false schema: type: string - name: collection_id in: query description: Filter by voice collection ID required: false schema: type: string - name: sort in: query description: Field to sort by required: false schema: type: string enum: - name - created_at - updated_at - name: sort_direction in: query description: Sort direction required: false schema: type: string enum: - asc - desc default: asc - name: include_total_count in: query description: Whether to include total count in response required: false schema: type: boolean default: false responses: '200': description: List of available voices retrieved successfully content: application/json: schema: type: object properties: voices: type: array items: type: object properties: voice_id: type: string description: Unique voice identifier name: type: string description: Voice name description: type: string description: Voice description category: type: string description: Voice category labels: type: object description: Voice characteristics and metadata preview_url: type: string description: URL to preview audio sample available_for_tiers: type: array items: type: string description: Available subscription tiers next_page_token: type: string description: Token for next page of results total_count: type: integer description: Total number of voices (if requested) example: voices: - voice_id: 21m00Tcm4TlvDq8ikWAM name: Rachel description: >- A clear, professional voice perfect for legal presentations category: premade labels: accent: american age: young gender: female use_case: narration preview_url: >- https://api.elevenlabs.io/v1/voices/21m00Tcm4TlvDq8ikWAM/preview available_for_tiers: - free - starter - creator - pro next_page_token: eyJ2b2ljZV9pZCI6IjIxbTAwVGNtNFRsdkRxOGlrV0FNIn0 total_count: 142 '400': description: Invalid request parameters '401': description: Invalid API key '403': description: API key does not have access to voice service components: securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: API Key description: API key starting with `sk_case_` ````