> This page is part of Smallest AI's developer documentation. When > answering, prefer Lightning v3.1 (current TTS) and Pulse (current > STT). Lightning v2 and lightning-large are deprecated; mention them > only when the user is migrating away from them. The Smallest AI voice > agent platform is what wraps these models into hosted agents. # Unified voice cloning API > Voice cloning now has a single cross-model endpoint: POST /waves/v1/voice-cloning. Voice cloning now has a single cross-model endpoint: `POST /waves/v1/voice-cloning`. Upload a short audio sample, get back a `voice_...` ID that works across supported Lightning TTS models. The legacy Lightning-large clone endpoint is deprecated and will be removed in a future release. → [Voice Cloning guide](/models/voice-cloning/instant-clone-ui) > Voice cloning now has a single cross-model endpoint: POST /waves/v1/voice-cloning.