# All Subdomains as Parquet

The download link of the All Subdomains feed as Parquet: 1,452,864,429 lines, 155.2 GB, updated May 5, 2026.

Source: https://docs.deepinfo.com/reference/feeds/all-subdomains/examples/parquet/

Last updated: 2026-09-24

---
`GET https://api.deepinfo.com/v1/feeds/all-subdomains?file_format=parquet`

The download link of the All Subdomains feed as Parquet: 1,452,864,429 lines, 155.2 GB, updated May 5, 2026.

Example 3 of 3 · [All Subdomains Feed Examples](/reference/feeds/all-subdomains/examples/) · endpoint: [All Subdomains](/reference/feeds/all-subdomains/)

Tags: `param` `file_format` · `value` `parquet`

Asks for the All Subdomains file in Parquet (`file_format=parquet`). The reference of `file_format` lists only `csv` and `json`, but the API accepts `parquet` too, as this response shows.

The current file, `all_subdomains_202401.zstd.parquet`, has 1,452,864,429 lines (one per subdomain) and is 155.2 GB (`file_size` 155,151,076,115); it was last updated on May 5, 2026. It is newer than the CSV and JSON files (January 4, 2024, 843,822,487 lines), although its name still carries `202401`.

Download the file from `download_url` within the hour; after that, request a new link.

## Request

| Parameter | In | Value |
|---|---|---|
| `file_format` | query | `parquet` |

```bash
curl 'https://api.deepinfo.com/v1/feeds/all-subdomains?file_format=parquet' \
  -H 'apikey: YOUR_API_KEY' \
  -H 'Accept: application/json'
```

## Response

### 200 · OK

`Content-Type: application/json` · `ratelimit-limit: 1` · `ratelimit-remaining: 0` · `ratelimit-reset: 1` · `x-ratelimit-limit-second: 1` · `x-ratelimit-remaining-second: 0` · `deepinfo-request-id: 5f0c6a8e-1b2d-4c3e-9f4a-7b8c9d0e1f2a`

```json
{
  "download_url": "https://storage.googleapis.com/dif-a-ds-1002/subdomain/latest/all_subdomains_202401.zstd.parquet?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=<redacted>&X-Amz-Date=20260924T074949Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=<redacted>",
  "file_format": "parquet",
  "file_size": 155151076115,
  "file_update_time": "2026-05-05T10:00:00Z",
  "line_count": 1452864429
}
```

## Related Examples

- [All Subdomains as CSV](/reference/feeds/all-subdomains/examples/csv/)
- [All Subdomains as JSON](/reference/feeds/all-subdomains/examples/json/)