Professional Voice Cloning (PVC) PVC API: Introduced a comprehensive suite of API endpoints for managing Professional Voice Clones (PVC). You can now programmatically create voices, add/manage/delete audio samples, retrieve audio/waveforms, manage speaker separation, handle verification, and initiate training. For a full list of new endpoints check the API changes summary below or read the PVC API reference here. Speech to Text Enhanced Export Options: Added options to include or exclude timestamps and speaker IDs when exporting Speech to Text results in segmented JSON format via the API. Agents Platform New LLM Models: Added support for new GPT-4.1 models: gpt-4.1, gpt-4.1-mini, and gpt-4.1-nanohereVAD Score: Added a new client event which sends VAD scores to the client, see reference here API
Fetched April 9, 2026