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

# Screen Address

> Check a blockchain address against sanctions and risk databases

No authentication required — this is a public endpoint.

<ParamField body="address" type="string" required>
  The blockchain address to screen.
</ParamField>

<RequestExample>
  ```bash theme={null}
  curl -X POST '/screener/check' \
    -H 'Content-Type: application/json' \
    -d '{
      "address": "0x9F8b3A2c1E4D7F6B5A4C3D2E1F0A9B8C7D6E5F4"
    }'
  ```
</RequestExample>

<ResponseExample>
  ```json theme={null}
  {
    "success": true,
    "data": {
      "address": "0x9F8b3A2c1E4D7F6B5A4C3D2E1F0A9B8C7D6E5F4",
      "risk_level": "low",
      "flagged": false,
      "checks": {
        "sanctions": false,
        "fraud": false,
        "darknet": false,
        "mixer": false
      },
      "checked_at": "2026-04-01T12:00:00Z"
    }
  }
  ```
</ResponseExample>