> ## 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.

# Text to Image

> This endpoint generates an image from a text prompt using Flux Klein model.

<Warning>
  Make sure you add your [s3 details](/enterprise-api/general/update-s3-details.mdx) for `flux_klein` server, so you can receive image generated in your bucket.
  Images generated without s3 details being added will be delete after **24hours**
</Warning>

## Request

Make a `POST` request to below endpoint and pass the required parameters as a request body.

```curl curl theme={null}
--request POST 'https://modelslab.com/api/v1/enterprise/flux_klein/text2img' \
```

## Body

```json json theme={null}
{  
  "key" : "enterprise_api_key", 
  "prompt": "ultra realistic close up portrait ((beautiful pale cyberpunk female with heavy black eyeliner))",  
  "negative_prompt": "bad quality",  
  "width": "512",  
  "height": "512",  
  "safety_checker": false,  
  "seed": null,  
  "samples":1,  
  "base64":false,  
  "webhook": null,  
  "track_id": null
}
```

## Body Attributes

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

<ParamField query="prompt" type="string" required placeholder="Text prompt">
  Text prompt with description of the things you want in the image to be generated.
</ParamField>

<ParamField query="negative_prompt" type="string" placeholder="Exclude items">
  Items you don't want in the image.
</ParamField>

<ParamField query="width" type="number" placeholder="Max 1024">
  Max Height: Width: 1024x1024.
</ParamField>

<ParamField query="height" type="number" placeholder="Max 1024">
  Max Height: Width: 1024x1024.
</ParamField>

<ParamField query="samples" type="number" placeholder="1-4">
  Number of images to be returned in response. The maximum value is 4.
</ParamField>

<ParamField query="safety_checker" type="boolean">
  A checker for NSFW images. If such an image is detected, it will be replaced by a blank image.
</ParamField>

<ParamField query="seed" type="number" placeholder="Seed number or null">
  Seed is used to reproduce results. Same seed will give you the same image again. Pass <em>null</em> for a random number.
</ParamField>

<ParamField query="instant_response" type="boolean" default="false">
  Queue response instantly before processing finishes instead of waiting a minimum amount of time. <strong>default</strong>: <code>false</code>, <strong>options</strong>: <code>true</code> or <code>false</code>.
</ParamField>

<ParamField query="base64" type="boolean" default="false">
  Get response as base64 string. <strong>default</strong>: <code>false</code>, <strong>options</strong>: <code>true</code> or <code>false</code>.
</ParamField>

<ParamField query="webhook" type="string" placeholder="Webhook URL">
  Set a URL to get a POST API call once the image generation is complete.
</ParamField>

<ParamField query="track_id" type="string" placeholder="Tracking ID">
  This ID is returned in the response to the webhook API call. This will be used to identify the webhook request.
</ParamField>