# KwaiVGI Kling V4 API

> Kling V4 is Kuaishou's next-generation video model, announced on September 28, 2026, with single generations of up to 30 seconds guided by text, keyframe images, and references. The public API has not opened yet; specifications and pricing will be confirmed at launch.

Source: https://www.sandbase.ai/models/kwaivgi/kling-video/v4
API reference: https://www.sandbase.ai/models/kwaivgi/kling-video/v4#api

## Facts

- Provider: KwaiVGI
- Type: Video model
- Model ID: `kwaivgi/kling-video/v4`
- Price: Coming soon
- Capabilities: text to video, 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/v4"
}'
```

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 V4 through SandBase?

Create a SandBase API key, then send requests with the model ID "kwaivgi/kling-video/v4" 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 V4 and the other models in the catalog; you do not need to sign up with KwaiVGI separately.