🎭 Voice Cloning API

Clone a voice from reference audio

Upload speech audio and match it to a reference voice in any length you need. Signed-in users can save up to ten references and reuse them when cloning.

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Try voice cloning

Reference voice

Voice to imitate — use any clip length.

Reference voice
🎧
Reference audio
Drag in or click · MP3, WAV, M4A

Speech to clone

Audio to convert — any length.

Speech you want cloned
🎤
Speech audio
Drag in or click · MP3, WAV, M4A

Log in to save up to 10 references and skip re-uploading them each time.

Need reference audio and speech audio.

Add reference + speech, then press Clone voice.
Backend Integration

Call the voice cloning API

cURL
cURL
# With uploaded reference file
curl -X POST "https://ai.langlex.com/api-proxy/voice-convert" \
  -F "source_audio=@/path/to/source.wav" \
  -F "reference_audio=@/path/to/reference.wav" \
  --output cloned.wav

# With a reference saved on your account (id from the library API / UI)
curl -X POST "https://ai.langlex.com/api-proxy/voice-convert" \
  -F "source_audio=@/path/to/source.wav" \
  -F "reference_voice_id=1" \
  --output cloned.wav

Ready to build with voice cloning?

Start using our voice cloning API today. No credit card required.

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