## 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 Knowledge Chunk
#### POST
/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks

#### cURL
```
curl --request POST \
  --url https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '  \
{  \
  "order": 1,  \
  "text": "This is a paragraph from an article",  \
  "data": {}  \
}'
```

#### Python
```python
import requests

url = "https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks"

payload = {
    "order": 1,
    "text": "This is a paragraph from an article",
    "data": {}
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)
```

#### JavaScript (Fetch)
```javascript
const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({order: 1, text: 'This is a paragraph from an article', data: {}})
};

fetch('https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks', 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/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks",
  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([
    'order' => 1,
    'text' => 'This is a paragraph from an article',
    'data' => []
  ]),
  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;
}
```

### Response Codes

- **201**: Successful creation of a chunk.
- **400**: Bad Request.
- **401**: Unauthorized.
- **402**: Payment required.
- **403**: Forbidden.
- **404**: Not found.
- **405**: Method not allowed.
- **409**: Conflict.
- **413**: Payload too large.
- **500**: Internal server error.
- **501**: Not implemented.
- **502**: Bad Gateway.
- **503**: Service unavailable.
- **504**: Gateway timeout.

### JSON Structure
```json
{
  "order": 1,
  "text": "This is a paragraph from an article",
  "data": {},
  "referenceId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "_id": "<string>",
  "createdAt": 1694518620,
  "lastChanged": 1694518620,
  "createdBy": "<string>",
  "lastChangedBy": "<string>"
}
```

### Body Parameters
- **order**: (number) The order of the KnowledgeChunk.
- **text**: (string) The content of the chunk.
- **data**: (object) Additional data associated with the KnowledgeChunk.

### Response Metadata
Returns a KnowledgeChunk metadata object.
- **order**
- **text**
- **data**
- **referenceId**
- **_id**
- **createdAt**
- **lastChanged**
- **createdBy**
- **lastChangedBy**