# PixVerse Lip Sync

> Run PixVerse Lip Sync by pixverse online or via API. From $0.02 per second, no setup.

**URL:** https://inference.sh/apps/pixverse/lip-sync
**Last updated:** 2026-08-04

---

PixVerse Lip Sync — align speech to mouth movement in video. Supports audio file input or text-to-speech with selectable voices.

- app: `pixverse/lip-sync`
- maker: [pixverse](https://inference.sh/apps/pixverse.md)
- category: [video](https://inference.sh/apps/category/video.md)
- tasks: [lip sync](https://inference.sh/apps/tag/lip-sync.md)
- price: $0.02/sec (external audio), $0.02/15 bytes (TTS)
- runs via: api, javascript and python sdk, belt cli, mcp

## lip-sync API Guide

### About
pixverse lip sync — align speech to mouth movement in video. supports audio file input or text-to-speech with selectable voices.

### 1. Calling the API

#### Install the Client

```bash
pip install inferencesh
```

#### Setup Your API Key
Set `INFERENCE_API_KEY` as an environment variable. Get your key from settings → api keys.

```bash
export INFERENCE_API_KEY="inf_your_key"
```

#### Run and Get Result

```python
import os
from inferencesh import inference

client = inference(api_key=os.environ["INFERENCE_API_KEY"])


result = client.run({
        "app": "pixverse/lip-sync@2exx6jwc",
        "input": {
            "video": "https://example.com/file.png"
        }
    })

print(result["output"])
```

#### Stream Live Updates

```python
import os
from inferencesh import inference

client = inference(api_key=os.environ["INFERENCE_API_KEY"])


## stream=True yields updates as they arrive
for update in client.run({
        "app": "pixverse/lip-sync@2exx6jwc",
        "input": {
            "video": "https://example.com/file.png"
        }
    }, stream=True):
    if update.get("progress"):
        print(f"progress: {update['progress']}%")
    if update.get("output"):
        print(f"output: {update['output']}")
```

### 2. Authentication
The API uses API keys for authentication. See the authentication docs for detailed setup instructions.

### 3. Files

#### Automatic Upload

```python
## local file paths are automatically uploaded
result = client.run({
    "app": "pixverse/lip-sync@2exx6jwc",
    "input": {
        "image": "/path/to/local/image.png",  # detected & uploaded
        "audio": "https://example.com/audio.mp3",  # url passed through
    }
})
```

#### Manual Upload

```python
## upload and get a hosted URL
file = client.files.upload("/path/to/file.png")
print(file.uri)  # https://cloud.inference.sh/...
```

### 4. Schema

#### Input
- **video** (string) *required*: Source video for lip sync. MP4/MOV/WebM, max 100MB, max 1920px, max 60s.
- **audio** (string): Audio file to sync. MP3/WAV/M4A/AAC, max 60s. Provide either audio or tts_text.
- **tts_text** (string): Text for TTS lip sync (max 200 chars). Provide either tts_text or audio.
- **tts_speaker_id** (string): TTS voice ID. Use 'auto' for automatic selection. Required when using tts_text.

#### Output
- **video** (string): Video with lip sync applied

## other video apps

- [H3 Max Styles](https://inference.sh/apps/falai/minimax-h3-max-styles.md): $0.08/sec (768P)
- [H3 Max Insert Video](https://inference.sh/apps/falai/minimax-h3-max-insert-video.md): $0.05/sec 480p, $0.06/sec 768p
- [H3 Max 3D to Video](https://inference.sh/apps/falai/minimax-h3-max-3d-to-video.md): $0.50/request + $0.05/sec (480P), $0.08/sec (768P), $0.16/sec (1080P) + $0.10/generated ref; 5s min
- [H3 Max Recast](https://inference.sh/apps/falai/minimax-h3-max-recast.md): $0.30/sec at 768P, $0.45/sec at 1080P
- [H3 Max Relight](https://inference.sh/apps/falai/minimax-h3-max-relight.md): $0.05/s 480P, $0.08/s 768P, $0.16/s 1080P, $0.32/s 2K; up to 15s/video

## faq

### how much does PixVerse Lip Sync cost?

$0.02/sec (external audio), $0.02/15 bytes (TTS). you pay per run from your inference shell credits. no subscription is required.

### how do I run PixVerse Lip Sync via api?

call pixverse/lip-sync with the javascript or python sdk, the rest api, or `belt app run pixverse/lip-sync` from a terminal. the api reference on this page lists every input.

### who makes PixVerse Lip Sync?

PixVerse Lip Sync is made by pixverse and runs on inference shell. every pixverse app is listed at https://inference.sh/apps/pixverse.

### can my agent use PixVerse Lip Sync?

yes. agents call it as a tool through the inference shell mcp server (https://api.inference.sh/mcp), the belt cli or the sdk, and pay per run like you do.

### what are the alternatives to PixVerse Lip Sync?

other video apps on inference shell include H3 Max Styles, H3 Max Insert Video, H3 Max 3D to Video, H3 Max Recast. they run through the same api, so switching is a one-line change.