buf.append("\"q\":");
            buf.append(escapeJson(query));
            buf.append(",\"query_id\":");
            buf.append(escapeJson(queryId));
            buf.append(",\"exec_time\":");
            buf.append(execTime);
            buf.append(",\"query_time\":");
            buf.append(queryTime);
            buf.append(',');
            buf.append("\"page_size\":");
            buf.append(pageSize);

                    type: string
                    example: Fess
                  query_id:
                    type: string
                    example: bd60f9579a494dfd8c03db7c8aa905b0
                  exec_time:
                    type: number
                    example: 0.21
                  query_time:
                    type: integer
                    format: int64
                    example: 0

# Or using the legacy endpoint
curl "http://localhost:8080/json/?q=search&num=10"
```

**Response**:
```json
{
  "response": {
    "version": 1,
    "status": 0,
    "q": "search",
    "exec_time": 0.123,
    "page_size": 10,
    "page_number": 1,
    "record_count": 234,
    "result": [
      {
        "url": "http://example.com/page1",
        "title": "Example Page",