# Kling 2.1 Master
> Kling 2.1 Master: The premium endpoint for Kling 2.1, designed for top-tier image-to-video generation with unparalleled motion fluidity, cinematic visuals, and exceptional prompt precision.

## Overview
- **Endpoint**: `https://inference.mixio.pro/models/run`
- **Model ID**: `mixio/kling-video/v2.1/master/image-to-video`
- **Category**: image-to-video

## Credits
- **Currency**: credits
- **Rounding**: Per-unit credit rates use the catalog precision; the final request charge rounds up to a whole credit.
- **Estimate API**: `/models/pricing/estimate`
- **Rate card**: `video-standard`
- **Base credits**: 53
- **Minimum credits**: 53

## API Information

### Input Schema
- **`prompt`** (`string`, _required_): Prompt
- **`duration`** (`string`, _optional_): The duration of the generated video in seconds
  - Default: `"5"`
  - Options: `5`, `10`
- **`cfg_scale`** (`number`, _optional_): 
            The CFG (Classifier Free Guidance) scale is a measure of how close you want
            the model to stick to your prompt.
        
  - Default: `0.5`
- **`image_url`** (`string`, _required_): URL of the image to be used for the video
- **`negative_prompt`** (`string`, _optional_): Negative Prompt
  - Default: `"blur, distort, and low quality"`

**Example**:
```json
{
  "prompt": "",
  "image_url": ""
}
```

### Output Schema
- **`video`** (`unknown`): The generated video

## Usage Examples

### cURL
```bash
curl "https://inference.mixio.pro/models/run" \
  -H "content-type: application/json" \
  -H "x-api-key: $MIXIO_API_KEY" \
  -d '{"endpointId": "mixio/kling-video/v2.1/master/image-to-video", "input": {"prompt": "..."}}'
```

### TypeScript
```typescript
import { client, postModelsRun } from "@mixio-pro/sdk-ts";

client.setConfig({ baseUrl: "https://inference.mixio.pro", headers: { "x-api-key": process.env.MIXIO_API_KEY } });
const { data } = await postModelsRun({ body: { endpointId: "mixio/kling-video/v2.1/master/image-to-video", input: { prompt: "..." } } });
```

### Python
```python
from mixio_pro import Sdk

sdk = Sdk(base_url="https://inference.mixio.pro", headers={"x-api-key": "your-key"})
result = sdk.client.post("/models/run", json={"endpointId": "mixio/kling-video/v2.1/master/image-to-video", "input": {"prompt": "..."}})
print(result.json()["requestId"])
```

## Additional Resources
- [Console](https://console.mixio.pro/models/mixio/kling-video/v2.1/master/image-to-video)
- [API Docs](https://inference.mixio.pro/docs)
- [OpenAPI Schema](https://inference.mixio.pro/models/openapi.json?endpoint_id=mixio/kling-video/v2.1/master/image-to-video)