## 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.

POST
/v2.0/projects/{projectId}/nlu/scores

### Generate NLU Scores

#### cURL

```bash
curl --request POST \
  --url https://api-trial.cognigy.ai/new/v2.0/projects/{projectId}/nlu/scores \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "flowReferenceId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "localeReferenceId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "sentence": "<string>"
}
'```

#### Python

```python
import requests

url = "https://api-trial.cognigy.ai/new/v2.0/projects/{projectId}/nlu/scores"

payload = {
    "flowReferenceId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "localeReferenceId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "sentence": "<string>"
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)
```

#### JavaScript

```javascript
const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    flowReferenceId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    localeReferenceId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    sentence: '<string>'
  })
};

fetch('https://api-trial.cognigy.ai/new/v2.0/projects/{projectId}/nlu/scores', 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/projects/{projectId}/nlu/scores",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'flowReferenceId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'localeReferenceId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'sentence' => '<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;
}
```

### HTTP Status Codes

200

400

401

402

403

404

405

409

413

500

501

502

503

504

#### Successful Response (Example)

```json
{
  "scores": [
    {
      "id": "8870303c-2934-4145-a9c4-e2d89f05e3cf",
      "name": "food",
      "score": 0.6269008375746541,
      "negated": false,
      "confirmationSentence": null,
      "confirmationSentences": null,
      "disambiguationSentence": null,
      "flow": "43b8f152-f82c-4d0b-b7ae-04db34de8b68"
    }
  ]
}
```

#### Error Response (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": {}
}
```

### Parameters

#### Authorization

**X-API-Key**  
Type: string  
Required: Yes  
Location: header  
Description: Supply the API Key in the HTTP-Header

#### Path Parameters
- **projectId**: 
  - Type: string  
  - Required: Yes  
  - Description: The unique identifier for the Project.
  - Required string length: `24`
  - Pattern: `^[a-z0-9]{24}$`

#### Request Body

**application/json**

- **flowReferenceId**: string<uuid> (required)  
- **localeReferenceId**: string<uuid> (required)  
- **sentence**: string (required)

### Response

**200**:  
Returns a collection of matching NLU Intents and Scores for the given sentence.

### Last modified on
July 8, 2026