Documentation Index
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Convert voice in audio with ElevenLabs. See supported inputs, parameters, pricing, response fields, and API examples.
elevenlabs/voice-changer
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
audio_url | string | Yes | - | URL of the source audio file to convert |
voice_id | string | Yes | - | Target ElevenLabs voice ID |
model_id | string | No | eleven_multilingual_sts_v2 | ElevenLabs speech-to-speech model ID |
output_format | string | No | - | Audio output format (e.g. mp3_44100_128) |
file_format | string | No | - | Input audio format hint: pcm_s16le_16 or other |
remove_background_noise | boolean | No | - | Strip background noise from input audio before conversion |
seed | integer | No | - | Random seed for reproducible generation (0–4294967295) |
voice_settings | object | No | - | Advanced voice configuration overrides (see below) |
nsfw_check | boolean | No | true | Check uploaded media inputs for NSFW content |
| Field | Type | Description |
|---|---|---|
stability | number | 0–1. Voice stability |
similarity_boost | number | 0–1. How closely to match the target voice |
style | number | 0–1. Style exaggeration |
speed | number | Speech speed multiplier |
use_speaker_boost | boolean | Boost speaker clarity |
GET /v1/resources/elevenlabs/voices
curl -X POST https://api.unifically.com/v1/tasks \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "elevenlabs/voice-changer",
"input": {
"audio_url": "https://example.com/source-audio.mp3",
"voice_id": "TX3LPaxmHKxFdv7VOQHJ",
"model_id": "eleven_multilingual_sts_v2",
"output_format": "mp3_44100_128",
"remove_background_noise": true,
"seed": 42,
"voice_settings": {
"stability": 0.5,
"similarity_boost": 0.75,
"style": 0.5,
"speed": 1.0,
"use_speaker_boost": true
}
}
}'
{
"code": 200,
"success": true,
"data": {
"task_id": "abc123def456",
"status": "processing"
}
}
{
"code": 200,
"success": true,
"data": {
"task_id": "abc123def456",
"status": "completed",
"output": {
"audio_url": "https://files.unifically.com/audio/abc123.mp3"
}
}
}