> For the complete documentation index, see [llms.txt](https://docs.night-api.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.night-api.com/images/utils/captcha.md).

# Captcha

## Generate a QR Code

<mark style="color:blue;">`GET`</mark> `https://api.night-api.com/images/captcha`

#### Headers

| Name                                            | Type   | Description  |
| ----------------------------------------------- | ------ | ------------ |
| authorization<mark style="color:red;">\*</mark> | String | Your API key |

#### Request Body

| Name     | Type   | Description                                                             |
| -------- | ------ | ----------------------------------------------------------------------- |
| codeSize | Number | <p>Size of the code to generate between 4 and 10 </p><p>Default : 6</p> |

{% tabs %}
{% tab title="200: OK " %}

```javascript
{ 
    status: 200, 
    content: { 
        code: 'ju0bm1', 
        codeSize: 6, 
        image: { 
            type: 'Buffer', 
            data: [Array] 
        } 
    }
}
```

{% endtab %}

{% tab title="400: Bad Request " %}

```javascript
{
    "status": 400,
    "content": "Invalid Key"
}
```

{% endtab %}
{% endtabs %}

```javascript
const axios = require("axios");
const { writeFileSync } = require('fs');

axios.get('https://api.night-api.com/images/captcha', {
    headers: {
        authorization: "Your API token"
    },
    data: {
        codeSize: 9 // Between 4 and 10 
    }
})
.then(async function (res) {
    console.log(res.data);
    writeFileSync(`${__dirname}/captcha.png`, Buffer.from(res.data.content.image, 'base64'));
})
```

Or with the module

```javascript
// Return: Promise

const { NightAPI } = require('night-api');
const api = new NightAPI('YOUR_API_KEY');

const captha = await api.captcha.generate(); // Generate captcha

// You can use this function for choose the number of caracters beetween 4 and 10

const captha = await api.captcha.generate(6);
```