# Screen a mark

Source: https://joinopenfile.com/docs/api/screen-mark
Index: https://joinopenfile.com/llms.txt

`POST /api/v1/marks/screen`

Checks a mark against the refusal grounds examiners raise most often: descriptive, generic, surname, place names, famous brands. Doesn't see other people's marks.

In the MCP server this is `screen_mark`.

## Example

```bash
curl -X POST https://api.joinopenfile.com/v1/marks/screen \
  -H "content-type: application/json" \
  -d '{
  "mark": "Quillbrook",
  "description": "scented candles"
}'
```

## Body

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| `mark` | string | Yes | The mark. |
| `description` | string | No | What's sold under it. |

## Errors

| Status | When |
| --- | --- |
| `400` | Invalid input. |

The body is the [error shape](https://joinopenfile.com/docs/errors.md).