## Documentation Index

Fetch the complete documentation index at: [/llms.txt](https://dev.writer.com/llms.txt)

Use this file to discover all available pages before exploring further.

### cURL

```
curl --location --request POST https://api.writer.com/v1/graphs/question \
 --header "Authorization: Bearer <token>" \
 --header "Content-Type: application/json" \
--data-raw '{"graph_ids":["182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e"],"question":"What is the generic name for the drug Bavencio?"}'
```

```python
import os
from writerai import Writer

client = Writer(
    # This is the default and can be omitted
    api_key=os.environ.get("WRITER_API_KEY"),
)
question = client.graphs.question(
    graph_ids=["182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e"],
    question="What is the generic name for the drug Bavencio?"
)
print(question.answer)
```

```javascript
import Writer from 'writer-sdk';

const client = new Writer({
  apiKey: process.env['WRITER_API_KEY'], // This is the default and can be omitted
});

async function main() {
  const question = await client.graphs.question({
    graph_ids: ['182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e'],
    question: 'What is the generic name for the drug Bavencio?'
});

console.log(question.answer);
}

main();
```

### Response Structure

```
{
  "question": "What is the generic name for the drug Bavencio?",
  "answer": "avelumab",
  "sources": [
    {
      "file_id": "1234",
      "snippet": "Bavencio is the brand name for avelumab."
    }
  ]
}
```

### Authorizations

**Authorization**  
`string`  
`header`  
*required*  
Bearer authentication header of the form `Bearer <token>`, where `<token>` is your [Writer API key](https://dev.writer.com/api-reference/api-keys).

### Body

#### `graph_ids`

`string<uuid>[]`  
*required*  
The unique identifiers of the Knowledge Graphs to query.  
Minimum array length: `1`

#### `question`

`string`  
*required*  
The question to answer using the Knowledge Graph.

### Response

#### 200

**Response Structure**

- **question**: `string`  
  *required*  
  The question that was asked.
- **answer**: `string`  
  *required*  
  The answer to the question.
- **sources**: `(source · object | null)[]`  
  *required*  
  A source snippet containing text and fileId from Knowledge Graph content.