# KwaiVGI Kling AI Avatar 2.0 Standard API

> Kling AI Avatar 2.0 Standard by Kuaishou animates a portrait image into a talking-head video lip-synced to an input audio track, at Standard quality.

Source: https://www.sandbase.ai/models/kwaivgi/kling-video/ai-avatar/2.0/standard
API reference: https://www.sandbase.ai/models/kwaivgi/kling-video/ai-avatar/2.0/standard/docs

## Facts

- Provider: KwaiVGI
- Type: Video model
- Model ID: `kwaivgi/kling-video/ai-avatar/2.0/standard`
- Price: From $0.24 per run (15% off list price)
- Capabilities: image to video
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

- Unified Run API: `POST https://api.sandbase.ai/v1/run`

```bash
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "kwaivgi/kling-video/ai-avatar/2.0/standard",
  "audio": "https://static.sandbase.ai/examples/kwaivgi/kling-video/ai-avatar/2.0/standard/output_url_1.mp3",
  "image": "https://static.sandbase.ai/examples/kwaivgi/kling-video/ai-avatar/2.0/standard/input_image_0.jpg",
  "prompt": "."
}'
```

The response returns a run id; poll `GET https://api.sandbase.ai/v1/run/{id}` until the status is `completed` or `failed`.

## FAQ

### How do I call KwaiVGI Kling AI Avatar 2.0 Standard through SandBase?

Create a SandBase API key, then send requests with the model ID "kwaivgi/kling-video/ai-avatar/2.0/standard" to Unified Run API (/v1/run) at https://api.sandbase.ai. The request examples on this page show the exact payload.

### Do I need a separate KwaiVGI account?

No. One SandBase API key and balance gives you access to KwaiVGI Kling AI Avatar 2.0 Standard and the other models in the catalog; you do not need to sign up with KwaiVGI separately.

## README

### Kling AI Avatar 2.0 Standard

Kling AI Avatar 2.0 Standard: a talking-head video from one portrait and an audio track, with lip sync and natural head motion.

#### Fields

| Field | Type | Default | Notes |
|---|---|---|---|
| `prompt` | string, required | `.` | Gesture, expression, and scene direction. |
| `image` | image URL, required | — | Portrait. JPEG, PNG, or WebP URL. |
| `audio` | audio URL, required | — | Speech that drives the lips. |

#### Billing

$0.0562 per output second; the output is as long as the audio. The quote before submission assumes 5 seconds.

| Audio | Price |
|---|---|
| 5s audio | $0.281 |
| 30s audio | $1.686 |
| 60s audio | $3.372 |

Failed runs are not charged.

#### Prompting

- Use a front-facing portrait with the mouth visible.

#### Limits

- Output length follows the audio.

#### Also on SandBase

Related: `kwaivgi/kling-video/ai-avatar/2.0/pro`.