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venice-audio-voice-changer

Async speech-to-speech voice conversion via Venice — re-record a source recording in a different voice while keeping delivery and timing. Covers POST /audio/voice-changer/quote (unauthenticated), /queue (multipart file or JSON audio_url), /retrieve and /complete, how to discover voice-changer models (model_spec.voice_changer on /models?type=music), accepted formats, the source-length cap, whole-minute billing, refunds, and what each endpoint refuses. Note that no voice-changer model is currently open to regular API keys.

skills/venice-audio-voice-changer/SKILL.md

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Nov 5, 2026
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# Venice Voice Changer (`/audio/voice-changer/*`)

Speech-to-speech conversion: upload a recording, get the same speech back in a different voice, with the original pacing, emotion and timing preserved. It's asynchronous, with its own quote → queue → retrieve → complete family (parallel to, but separate from, [`venice-audio-music`](../venice-audio-music/SKILL.md)).

> **Availability (checked 2026-09-30):** the endpoints are in the public API spec, but the only voice-changer model, `elevenlabs-voice-changer`, is not yet open to regular API keys. It is not listed by `GET /models`, and regular keys (or no key) get `404 "Specified model not found"` from every endpoint below. Before using this skill, confirm that a model with `model_spec.voice_changer: true` shows up in `GET /models?type=music` for your key; if none does, the feature isn't available to you.

| Method | Path | Auth | Notes |
|---|---|---|---|
| `POST` | `/api/v1/audio/voice-changer/quote` | **None required** (key optional) | Price for a source of N seconds. |
| `POST` | `/api/v1/audio/voice-changer/queue` | Bearer key or x402 (SIWX) | `multipart/form-data` (`file`) **or** JSON (`audio_url`). Charges and enqueues. 40 req/min per user. |
| `POST` | `/api/v1/audio/voice-changer/retrieve` | Bearer key or x402 (SIWX) | Status JSON or the converted audio. 120 req/min per user. |
| `POST` | `/api/v1/audio/voice-changer/complete` | Bearer key or x402 (SIWX) | Release the provider-held media. |

Each endpoint only accepts voice-changer models (`400` otherwise, naming the endpoint to use instead), and `/audio/quote`, `/audio/queue`, `/audio/retrieve`, `/audio/complete` refuse voice-changer models the same way.