## 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 an Example Sentence

**Endpoint:** `PATCH /v2.0/flows/{flowId}/intents/{intentId}/sentences/{sentenceId}`

**cURL Example:**

```bash
curl --request PATCH \
  --url https://api-trial.cognigy.ai/new/v2.0/flows/{flowId}/intents/{intentId}/sentences/{sentenceId} \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "text": "I want to buy a pizza.",
  "slots": [
    {
      "type": "anySlot",
      "name": "<string>",
      "start": 123,
      "end": 123
    }
  ]
}
'```

**Python Example:**

```python
import requests

url = "https://api-trial.cognigy.ai/new/v2.0/flows/{flowId}/intents/{intentId}/sentences/{sentenceId}"

payload = {
    "text": "I want to buy a pizza.",
    "slots": [
        {
            "type": "anySlot",
            "name": "<string>",
            "start": 123,
            "end": 123
        }
    ]
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)
```

**JavaScript Example:**

```javascript
const options = {
  method: 'PATCH',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    text: 'I want to buy a pizza.',
    slots: [{type: 'anySlot', name: '<string>', start: 123, end: 123}]
  })
};

fetch('https://api-trial.cognigy.ai/new/v2.0/flows/{flowId}/intents/{intentId}/sentences/{sentenceId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
```

**PHP Example:**

```php
$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api-trial.cognigy.ai/new/v2.0/flows/{flowId}/intents/{intentId}/sentences/{sentenceId}",
  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([
    'text' => 'I want to buy a pizza.',
    'slots' => [
        [
                'type' => 'anySlot',
                'name' => '<string>',
                'start' => 123,
                'end' => 123
        ]
    ]
]),
  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;
}
```

### Error Responses

**400 Bad Request**  
```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": {}
}
```

**401 Unauthorized**  
```json
{
  "type": "Unauthorized",
  "title": "Unauthorized Error",
  "status": 401,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 401,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}
```

**403 Forbidden**  
```json
{
  "type": "Forbidden",
  "title": "Forbidden Error",
  "status": 403,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}
```

**404 Not Found**  
```json
{
  "type": "Not Found",
  "title": "Not Found Error",
  "status": 404,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {},
  "logLevel": "error"
}
```