---
title: AI Voice Changer API — Real-Time Voice Modification via REST | ModelsLab
description: AI voice changer API. Pitch shift, gender change, emotion modulation, and real-time voice transformation. POST /api/v6/voice/voice_to_voice — Python, JS, cURL examples. Free API key.
url: https://modelslab.com/voice-changer
canonical: https://modelslab.com/voice-changer
type: website
component: Seo/VoiceChanger
generated_at: 2026-06-24T13:50:51.716854Z
---
AudioGen
AI Voice Changer API — Real-Time Voice Modification via REST
---
Explore limitless voice transformations, from pitch shifts to emotional modulations. Transform your audio.
[Change Voice](https://modelslab.com/models/modelslab/voice-changer) [Book a call](https://calendly.com/support-lael/30min?month=2024-11)
AI Voice Changer API quick start
---
Transform a voice with one POST request to /api/v6/voice/voice\_to\_voice. Pitch shift, gender swap, emotion modulation, language transfer. Returns a hosted MP3/WAV URL.
### Python — change a voice with target sample
Python
```
1import requests
2
3response = requests.post(
4 "https://modelslab.com/api/v6/voice/voice_to_voice",
5 json={
6 "key": "YOUR_API_KEY",
7 "init_audio": "https://example.com/source-voice.mp3",
8 "target_audio": "https://example.com/target-voice-sample.mp3",
9 "language": "english",
10 "emotion": "neutral"
11 }
12)
13
14print(response.json()["output"][0])
```
### JavaScript — pitch + gender shift via target voice
JavaScript
```
1const response = await fetch('https://modelslab.com/api/v6/voice/voice_to_voice', {
2 method: 'POST',
3 headers: { 'Content-Type': 'application/json' },
4 body: JSON.stringify({
5 key: 'YOUR_API_KEY',
6 init_audio: 'https://example.com/source.mp3',
7 target_audio: 'https://example.com/female-voice-sample.mp3',
8 language: 'english',
9 emotion: 'happy',
10 }),
11});
12
13const data = await response.json();
14console.log(data.output[0]);
```
### cURL — quick test from terminal
bash
```
1curl -X POST 'https://modelslab.com/api/v6/voice/voice_to_voice' \
2 -H 'Content-Type: application/json' \
3 -d '{
4 "key": "YOUR_API_KEY",
5 "init_audio": "https://example.com/source.mp3",
6 "target_audio": "https://example.com/voice-sample.mp3",
7 "language": "english",
8 "emotion": "neutral"
9 }'
```
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Say it like you mean it. Perfect your voice and bid goodbye to fragments with our AI voice changer.
[Try It Now](https://modelslab.com/models/modelslab/voice-changer)
Why Choose ModelsLab
---
Key advantages that set us apart
User-friendly interface
Unlimited voice transformations
24/7 customer support
Fast audio processing
Voice disguise and gender voice changer
Character voice changer
Includes voice filters
Speech synthesis with text prompting
Voice enhancer and editor
Pitch shifting and vocal effects
Developer-first API integrations
Large Global Community
No Questions Asked 100% Refund Policy
Make Professional Voiceovers
---
Polish your voice clips and turn your raw recordings into professional voiceovers. Swap voices for the same script in seconds.
Eliminate Background Noise Clean up your audio by removing distracting noise for professional-grade clarity.
Remove Silences, Pauses, and Filler Words Smooth out your recordings by automatically cutting out unwanted gaps or stutters.
Arrange Sequences Just Like Your Docs Restructure voices in sync with your storyboards or text-based scripts.
Combine, Edit, Transform Blend multiple voice clips, apply effects, and create seamless sound transitions effortlessly.
Customize, Remix, and Dub in Any Language Translate and dub your content into 43+ languages while retaining the original tone.
How to Change Voices Step-by-Step?
---
You can change voices in four three easy steps.
STEP 01
STEP 01
### Upload or Paste Your Script
Add audio samples to get started. You can narrate and clone, too.
STEP 02
STEP 02
### Choose Your Style
Set your language and change voices to other languages.
STEP 03
STEP 03
### Edit and Refine
Adjust tone, pitch, reverb, and volume. Change narration speed and intonation, and switch genders.
STEP 04
STEP 04
### Generate and Download
Preview and export as MP3, OGG, and in any other format of your choice.
[Change Voice ](https://modelslab.com/register)
What Makes ModelsLab More than Just a Voice Changer?
---
### Eliminate Background Noise
Clean up your audio by removing distracting noise for professional-grade clarity.
### Remove Silences, Pauses, and Filler Words
Smooth out your recordings by automatically cutting out unwanted gaps or stutters.
### Arrange Sequences Just Like Your Docs
Restructure voices in sync with your storyboards or text-based scripts.
### Combine, Edit, Transform
Blend multiple voice clips, apply effects, and create seamless sound transitions effortlessly.
### Customize, Remix, and Dub in Any Language
Translate and dub your content into 43+ languages while retaining the original tone.
[Change Voice](https://modelslab.com/models/modelslab/voice-changer)
Our Popular Use Cases
Here’s what you can do with our voice changer tool
Social Media ContentPodcastingCustomer Support SystemsVoice Acting & DubbingEducation and TrainingGame DevelopmentAudiobooks
Create captivating reels or TikToks with quirky voices.
### Worldwide Support: 43 Audio Languages Available
Expand Your Audience with Multilingual Dubbing Capabilities
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Greek
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## Frequently Asked Questions
### How can I find the right voice with the voice changer?
Finding your perfect voice is as easy as experimenting with our vast library of voice effects and personalization tools. Whether you're creating a rhythmic edge for pop tracks, blending voices with music, or making catchy leads for acoustic sounds, ModelsLab's Voice Changer gives you full creative control. You can add lively tones, customize the pitch, and fine-tune the output until it feels just right. Clean up your raw recordings and polish them into studio-quality audio that stands out. Think of it as your ultimate studio companion to perfect your audio identity.
### Can I modify and perfect my voice after transforming it?
Yes, you have full control over the refining and perfecting of your audio. Using ModelsLab features, powered by Audiogen, you can upload a script or text prompt and automatically match your changed voice to the content. Reorganize audio sequences, rephrase, change the delivery, and polish the final product to perfection. More than just changing voices, it's creating a voice narrative befitting your project. Edit, adjust, and refine with ease to get professional results every time.
### Can I mix multiple voices and use translation features?
Absolutely! ModelsLab’s Voice Changer lets you mix multiple voices for creative projects, whether you’re dubbing a film, creating characters, or adding layered vocals to music tracks. With support for 43+ languages, you can even translate these voices for global audiences without losing tone or clarity. Create multilingual voiceovers or blend voices seamlessly with other audio for impactful storytelling or content creation.
### How to synchronize voices with videos and adjust timing?
It's easy to sync your edited voices with videos. You can extend audio tracks, add pauses, emphasize certain words, or even change the pitch and speed to fit the visuals. Our tools allow you to clean up filler words, mute unwanted parts, and enhance overall clarity. Whether you're adding a voiceover to a video or creating an immersive audio experience, the timing and delivery are always in your control.
### Can I use voice filters and premium voiceover features?
Yes, ModelsLab offers advanced voice filters and premium features to elevate your audio quality. Add depth, texture, and unique effects to your voice for a polished, professional-grade sound. Whether you’re creating voiceovers for ads, narrations for videos, or personalized greetings, our voice changer ensures every detail is optimized for impact. With premium features, you can also experiment with exclusive voice effects that make your audio truly stand out.
### How does this voice changer help with creative projects?
Our voice changer is no ordinary tool—it's a creative playground. Use it to narrate audiobooks, create unique character voices, produce stand-out podcast intros, or design audio branding for your business. Blend voices with background music, add dramatic effects, or even sync it with animation projects. It's the perfect solution for creators, educators, marketers, and professionals looking to amplify their voice-driven content.
---
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---
*Generated by ModelsLab - 2026-06-24*