> ## Documentation Index
> Fetch the complete documentation index at: https://docs.modelslab.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Super Resolution

> This endpoint returns a super resolution version of an image.

## Request

Send a `POST` request to below endpoint to return an upscaled version of the initial image.

```curl curl theme={null}
--request POST 'https://modelslab.com/api/v1/enterprise/super_resolution' \
```

<Tip>
  Want more upscale models? Request a custom model by contacting us at our [Discord](https://discord.gg/RjVZfAnhsq) server.
</Tip>

The following upscale models are supported:

| Model ID                          | Description                 |
| :-------------------------------- | :-------------------------- |
| **RealESRGAN\_x4plus**            | 4x upscaling model          |
| **RealESRNet\_x4plus**            | 4x upscaling model          |
| **RealESRGAN\_x4plus\_anime\_6B** | 4x Anime upscaling model    |
| **RealESRGAN\_x2plus**            | 2x upscaling model          |
| **realesr-general-x4v3**          | 4x upscaling general model  |
| **ultra\_resolution**             | 4K+ upscaling general model |

## Body

```json json theme={null}
{ 
    "key": "enterprise_api_key", 
    "url": "https://assets.modelslab.ai/generations/dbb83c34-72b7-4965-886b-52b8dbbb1f4b", 
    "scale": 3, 
    "webhook": null, 
    "face_enhance": true
}
```

## Body Attributes

<ParamField path="key" type="string" required>
  Your API Key used for request authorization.
</ParamField>

<ParamField path="url" type="string" required>
  The URL of the image you want to upscale to super resolution.
</ParamField>

<ParamField path="scale" type="number" min="1" max="4" required>
  The scale factor for upscaling. Must be between 1 and 4.
</ParamField>

<ParamField path="model_id" type="string" default="realesr-general-x4v3">
  The upscale model to use. Default: <code>realesr-general-x4v3</code>.
</ParamField>

<ParamField path="webhook" type="string">
  A webhook URL to receive a POST callback once the image generation is complete.
</ParamField>

<ParamField path="face_enhance" type="boolean" default="false">
  Enable face enhancement in the upscaled image. Default: false.
</ParamField>