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The Compliance Screener checks blockchain addresses against sanctions lists, known fraud databases, and risk scoring services. Use it before processing transactions to flag high-risk addresses and maintain regulatory compliance. The screener is available as a public API — no authentication required.

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Check an Address

curl -X POST 'https://crypto-api.yativo.com/api/v1/screener/check' \
  -H 'Content-Type: application/json' \
  -d '{
    "address": "0x9F8b3A2c1E4D7F6B5A4C3D2E1F0A9B8C7D6E5F4"
  }'
Response
{
  "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"
  }
}

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Risk Levels

LevelDescription
lowAddress has no known risk indicators
mediumAddress has some indirect exposure to flagged entities
highAddress is directly associated with sanctioned or fraudulent activity
criticalAddress is on an active sanctions list — do not transact

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Batch Check

Screen multiple addresses in a single request: 
curl -X POST 'https://crypto-api.yativo.com/api/v1/screener/batch-check' \
  -H 'Content-Type: application/json' \
  -d '{
    "addresses": [
      "0x9F8b3A2c1E4D7F6B5A4C3D2E1F0A9B8C7D6E5F4",
      "0x742d35Cc6634C0532925a3b8D4C9C2A5Ef8C2B1",
      "7xKXtg2CW87d97TXJSDpbD5jBkheTqA83TZRuJosgAsU"
    ]
  }'
Response
{
  "success": true,
  "data": {
    "results": [
      { "address": "0x9F8b...", "risk_level": "low", "flagged": false },
      { "address": "0x742d...", "risk_level": "low", "flagged": false },
      { "address": "7xKXt...", "risk_level": "low", "flagged": false }
    ],
    "checked_at": "2026-04-01T12:00:00Z"
  }
}

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Service Info

Get the screener’s current capabilities and usage information: 
curl -X GET 'https://crypto-api.yativo.com/api/v1/screener/info'

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Health Check

curl -X GET 'https://crypto-api.yativo.com/api/v1/screener/health'

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Integration Pattern

Screen addresses before sending funds or accepting deposits: 
// Before sending funds
const screen = await fetch('https://crypto-api.yativo.com/api/v1/screener/check', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({ address: recipientAddress }),
});
const { data } = await screen.json();

if (data.risk_level === 'critical' || data.risk_level === 'high') {
  throw new Error(`Address ${recipientAddress} is flagged: ${data.risk_level}`);
}

// Safe to proceed with the transaction

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Next Steps

API Reference

Full endpoint reference for the screener.

Transactions

Send funds after screening the recipient.