Voice Cloning API Developer Guide

1import requests
2
3# Upload a voice sample to create a cloned voice profile
4url = "https://modelslab.com/api/v6/voice/create_voice"
5payload = {
6    "key": "YOUR_API_KEY",
7    "voice_name": "customer-voice-001",
8    "init_audio": "https://your-storage.com/voice-sample.wav",
9    "language": "en"
10}
11
12response = requests.post(url, json=payload)
13data = response.json()
14
15# Save the voice_id for later use
16voice_id = data["voice_id"]
17print(f"Voice profile created: {voice_id}")

1# Generate speech using the cloned voice
2url = "https://modelslab.com/api/v6/voice/text_to_speech"
3payload = {
4    "key": "YOUR_API_KEY",
5    "voice_id": voice_id,  # From step 1
6    "text": "Welcome to our platform. We are glad to have you here.",
7    "language": "en",
8    "speed": 1.0,
9    "pitch": 1.0
10}
11
12response = requests.post(url, json=payload)
13data = response.json()
14
15# Download the generated audio
16audio_url = data["output"][0]
17print(f"Generated audio: {audio_url}")

1async function cloneVoiceAndSpeak(sampleUrl, text) {
2  // Step 1: Create voice profile
3  const createRes = await fetch('https://modelslab.com/api/v6/voice/create_voice', {
4    method: 'POST',
5    headers: { 'Content-Type': 'application/json' },
6    body: JSON.stringify({
7      key: 'YOUR_API_KEY',
8      voice_name: `voice-${Date.now()}`,
9      init_audio: sampleUrl,
10      language: 'en'
11    })
12  });
13
14  const createData = await createRes.json();
15  if (createData.status === 'error') throw new Error(createData.message);
16
17  // Step 2: Generate speech
18  const speechRes = await fetch('https://modelslab.com/api/v6/voice/text_to_speech', {
19    method: 'POST',
20    headers: { 'Content-Type': 'application/json' },
21    body: JSON.stringify({
22      key: 'YOUR_API_KEY',
23      voice_id: createData.voice_id,
24      text: text,
25      language: 'en'
26    })
27  });
28
29  const speechData = await speechRes.json();
30  return speechData.output[0]; // Audio URL
31}
32
33// Usage
34const audioUrl = await cloneVoiceAndSpeak(
35  'https://storage.example.com/sample.wav',
36  'This is generated speech using a cloned voice.'
37);
38console.log(`Audio: ${audioUrl}`);

1# Generate the same cloned voice in multiple languages
2languages = ["en", "es", "fr", "de", "ja"]
3texts = {
4    "en": "Hello, welcome to our service.",
5    "es": "Hola, bienvenido a nuestro servicio.",
6    "fr": "Bonjour, bienvenue dans notre service.",
7    "de": "Hallo, willkommen bei unserem Service.",
8    "ja": "こんにちは、サービスへようこそ。"
9}
10
11for lang in languages:
12    payload = {
13        "key": "YOUR_API_KEY",
14        "voice_id": voice_id,
15        "text": texts[lang],
16        "language": lang
17    }
18    response = requests.post("https://modelslab.com/api/v6/voice/text_to_speech", json=payload)
19    data = response.json()
20    print(f"{lang}: {data['output'][0]}")