# Introduction

#### Provider Notes

This section contains endpoint-specific behavior, parameters, or usage notes for this API.
This section contains endpoint-specific behavior, parameters, or usage notes for this API.
This section contains endpoint-specific behavior, parameters, or usage notes for this API.

#### Provider Notes

This section contains endpoint-specific behavior, parameters, or usage notes for this API.
This section contains endpoint-specific behavior, parameters, or usage notes for this API.
This section contains endpoint-specific behavior, parameters, or usage notes for this API.
This section contains endpoint-specific behavior, parameters, or usage notes for this API.
This section contains endpoint-specific behavior, parameters, or usage notes for this API.

### Use Cases

1. Follow the endpoint-specific flow shown in this page.

```
{
"audio_url": "https://cdn.gptbest.vip/file/cdn/20250107/RFDQkBGVrHFydzGzzvgXGQmbuPhicK.mp3",
"avatar_url": "https://cdn.gptbest.vip/file/cdn/20250107/W213dUwMKyxZzXVvW0wUETJZ8KiUDB.mp4"
}
```

2. Follow the endpoint-specific flow shown in this page.

```
{
"create_voice": {
"audio_url": "https://example.com/voice.mp3",
"language": "cn",
  // provider-specific example normalized for English documentation
},
"avatar_url": "https://example.com/avatar.jpg"
}
```

3. Follow the endpoint-specific flow shown in this page.
This section contains endpoint-specific behavior, parameters, or usage notes for this API.

```
{
"use_voice": {
"voice_engine_id": "nina",
"audio_id": "b92d7e1c40d0447eb563a13ec92d9042",
"language": "en",
"text": "Hello, world!"
},
"avatar_url": "https://example.com/avatar.mp4"
}
```