Voice Catalog
Use the voice catalog to inspect which voices are available for outbound phone calls. The current SDK exposes catalog listing and filtering; call creation uses the selectedtier plus the agent’s configured voice pipeline.
List voices
Filters
The catalog supports these optional filters:| Filter | Values |
|---|---|
tier | basic, premium |
gender | male, female, neutral |
language | BCP-47 language code, such as en-US |
Place a call
The public SDK call creation surface acceptsto, optional agentId, tier, greeting, and optional fromNumber.
voiceId, voiceSettings, and custom systemPrompt fields are not part of the current public SDK call input. Configure persistent agent behavior in the agent/voice pipeline, and use greeting for the opening line.
REST endpoint
Next steps
- Quickstart: Voice Calls - Text yourself, then place the first call
- Call Intelligence - Transcripts, summaries, scores, and recordings
- Voice WebSocket Protocol - Real-time call event streaming
