## 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.

### Update a Lexicon Entry

**PATCH** `/v2.0/lexicons/{lexiconId}/entries/{entryId}`

#### Example cURL Command

```bash
curl --request PATCH \
  --url https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/entries/{entryId} \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "mainKeyphrase": "pizza",
  "data": "{\"key1\": \"value1\" }",
  "slotReferences": [
    "<string>"
  ]
}
'
```

#### Example in Python

```python
import requests

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

payload = {
    "mainKeyphrase": "pizza",
    "data": "{\"key1\": \"value1\" }",
    "slotReferences": ["<string>"]
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)
```

#### Example in JavaScript (Fetch API)

```javascript
const options = {
  method: 'PATCH',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    mainKeyphrase: 'pizza',
    data: '{"key1": "value1" }',
    slotReferences: ['<string>']
  })
};

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

#### Example in PHP

```php
$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/entries/{entryId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'mainKeyphrase' => 'pizza',
    'data' => '{"key1": "value1" }',
    'slotReferences' => ['<string>']
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "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;
}
```

### Common HTTP Status Codes

- `400`: Bad Request
- `401`: Unauthorized
- `404`: Not Found
- `500`: Internal Server Error

### Response Structure Example

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

### Authorizations

- **X-API-Key**: string, required in header to supply the API Key

### Request Headers

#### Accept
- **Accept**: Enum of media type expected in the response. Options: `application/json`, `application/xml`, etc.

### Body Parameters

- **mainKeyphrase**: string, required
- **data**: string, the additional JSON-data
- **slotReferences**: array of strings, required