## Documentation Index

Fetch the complete documentation index at: [/llms.txt](https://docs.cognigy.com/llms.txt)

Use this file to discover all available pages before exploring further.

### Create a Download Link for a Lexicon

**POST** /v2.0/lexicons/{lexiconId}/downloadlink

#### cURL

```bash
curl --request POST \
  --url https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/downloadlink \
  --header 'X-API-Key: <api-key>'
```

#### Python

```python
import requests

url = "https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/downloadlink"

headers = {"X-API-Key": "<api-key>"}

response = requests.post(url, headers=headers)

print(response.text)
```

#### JavaScript (Fetch)

```javascript
const options = {method: 'POST', headers: {'X-API-Key': '<api-key>'}};

fetch('https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/downloadlink', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
```

#### PHP

```php
$curl = curl_init();

curl_setopt_array($curl, [\
  CURLOPT_URL => "https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/downloadlink",\
  CURLOPT_RETURNTRANSFER => true,\
  CURLOPT_ENCODING => "",\
  CURLOPT_MAXREDIRS => 10,\
  CURLOPT_TIMEOUT => 30,\
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,\
  CURLOPT_CUSTOMREQUEST => "POST",\
  CURLOPT_HTTPHEADER => [\
    "X-API-Key: <api-key>"\
  ],\
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
```

#### Go

```go
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

url := "https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/downloadlink"

req, _ := http.NewRequest("POST", url, nil)

req.Header.Add("X-API-Key", "<api-key>")

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

fmt.Println(string(body))
}
```

#### Response Codes

- `200` - Returning a link to download the Lexicon

- `400` - Bad Request
- `401` - Unauthorized
- `402` - Payment Required
- `403` - Forbidden
- `404` - Not Found
- `500` - Internal Server Error

#### Response Example

```json
{
  "downloadLink": "<string>"
}
```

#### Error Handling Example

```json
{
  "type": "Bad Request",
  "title": "Bad Request Error",
  "status": 400,
  "detail": "Validation failed. Missing payload.",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}
```

#### Authorizations

**X-API-Key**
- **Type**: APIKey
- **Required**: Yes
- **Location**: header

#### Headers

**Accept**
- **Type**: enum<string>
- **Description**: Specifies the media type that the client expects in the response. Available options: `application/json`, `application/hal+json`, `application/xml`, `text/xml`, `text/csv`. Default is `application/json`.

#### Path Parameters

- **lexiconId**: The unique identifier for the Lexicon.
  - **Required**: Yes
  - **Type**: string
  - **Pattern**: `^[a-z0-9]{24}$`
  - **String length**: `24`

---

Last modified on July 8, 2026.
