> ## Documentation Index
> Fetch the complete documentation index at: https://docs.unrealapi.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Check link

`POST` `/check-link`

Detects malicious links

## Headers

| Name   | Value                |
| ------ | -------------------- |
| apikey | 28-Character API Key |

## Body

| Name | Type     | Description      |
| ---- | -------- | ---------------- |
| url  | string\* | The url to check |

## Response

<Tabs>
  <Tab title="200: OK">
    ```json theme={null}
      {
        "url": "http://testsafebrowsing.appspot.com/apiv4/ANY_PLATFORM/MALWARE/URL/",
        "is_malicious": true,
        "threat_details": [
          "MALWARE"
        ],
        "timestamp": "2026-02-03T21:05:57.000Z",
        "database": "Google Safe Browsing"
      }
    ```
  </Tab>

  <Tab title="400: Bad Request">
    **Error**\
    You didn't provide a valid:

    * url

    Check `response.error`
  </Tab>

  <Tab title="401: Unauthorized">
    **Error**\
    You didn't provide a working apikey.
  </Tab>

  <Tab title="429: Too Many Requests">
    You sent too many requests too quickly. Try again later.
  </Tab>
</Tabs>