## 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.

### Get a Knowledge Chunk

#### API Endpoint
GET /v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}

#### Example Requests

**cURL**
```bash
curl --request GET \
  --url https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId} \
  --header 'X-API-Key: <api-key>'
```

**Python**
```python
import requests

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

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

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

print(response.text)
```

**JavaScript (Fetch)**
```javascript
const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}', 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/{chunkId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  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/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}"

req, _ := http.NewRequest("GET", 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))
}
```

#### Possible Responses

- **200 OK** - Returns KnowledgeChunk object
- **400 Bad Request** - Validation failed. Missing payload.
- **401 Unauthorized** - Invalid API key.
- **404 Not Found** - Resource not found.

### Authorizations

**X-API-Key** - Supply the API Key in the HTTP-Header

### Path Parameters

- **knowledgeStoreId** - The Id of the KnowledgeStore (required, string, length: 24)
- **sourceId** - The Id of the KnowledgeSource (required, string, length: 24)
- **chunkId** - The Id of the KnowledgeChunk (required, string, length: 24)

### Response Details
#### KnowledgeChunk Object

- **order**: number - The name of the KnowledgeChunk
- **text**: string - The text that is the actual content of the chunk
- **data**: object - The extended data of KnowledgeChunk
- **referenceId**: string<uuid> - Reference ID of the chunk
- **_id**: string - ID of the KnowledgeChunk
- **createdAt**: integer - Unix timestamp of creation
- **lastChanged**: integer - Unix timestamp of last change
- **createdBy**: string - ID of the user who created it
- **lastChangedBy**: string - ID of the last user who changed it