Risk score any wallet address

https://safesend-2e7y.polsia.app

curl -X POST https://safesend-2e7y.polsia.app/api/check \
  -H "Content-Type: application/json" \
  -H "X-API-Key: sk_your_api_key" \
  -d '{"address": "1A1zP1eP5QGefi2DMPTfTL5SLmv7Divf1"}'

X-API-Key: sk_live_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

{
  "address": "1A1zP1eP5QGefi2DMPTfTL5SLmv7Divf1",
  "network": "Bitcoin",
  "networkCode": "BTC",
  "isValid": true,
  "isScam": false,
  "riskScore": 2,
  "riskLevel": "low",
  "factors": {
    "validAddress": true,
    "hasTransactionHistory": true,
    "inScamDatabase": false,
    "isNewWallet": false
  },
  "balance": "72.62 BTC",
  "transactionCount": 3402,
  "isContract": false,
  "checkedAt": "2026-05-07T12:30:00.000Z"
}

# Check an Ethereum address
curl -X POST https://safesend-2e7y.polsia.app/api/check \
  -H "Content-Type: application/json" \
  -H "X-API-Key: sk_live_xxxxxxxxxxxxxxxx" \
  -d '{"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"}'

# Check a Polygon address (same 0x format, specify network override)
curl -X POST https://safesend-2e7y.polsia.app/api/check \
  -H "Content-Type: application/json" \
  -H "X-API-Key: sk_live_xxxxxxxxxxxxxxxx" \
  -d '{"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045", "network": "POLYGON"}'

// Using native fetch (Node 18+ or browser)
async function checkWallet(address, network) {
  const res = await fetch('https://safesend-2e7y.polsia.app/api/check', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-API-Key': process.env.SAFESEND_API_KEY
    },
    body: JSON.stringify({ address, network })
  });

  if (!res.ok) {
    throw new Error(`SafeSend API error: ${res.status}`);
  }

  return res.json();
}

// Example: block high-risk withdrawals in an exchange
async function validateWithdrawal(toAddress) {
  const risk = await checkWallet(toAddress);

  if (risk.riskScore >= 7 || risk.isScam) {
    throw new Error('Withdrawal blocked: high-risk destination address');
  }

  return { approved: true, riskScore: risk.riskScore };
}

import requests
import os

SAFESEND_API_KEY = os.environ["SAFESEND_API_KEY"]
BASE_URL = "https://safesend-2e7y.polsia.app"

def check_wallet(address: str, network: str = None) -> dict:
    payload = {"address": address}
    if network:
        payload["network"] = network

    response = requests.post(
        f"{BASE_URL}/api/check",
        json=payload,
        headers={
            "X-API-Key": SAFESEND_API_KEY,
            "Content-Type": "application/json"
        },
        timeout=10
    )
    response.raise_for_status()
    return response.json()

# DeFi protocol: flag high-risk senders before they interact with your contract
def is_safe_sender(wallet_address: str) -> bool:
    result = check_wallet(wallet_address)
    return result["riskScore"] <= 6 and not result["isScam"]

{
  "error": "Unrecognized address format",
  "hint": "Supported: Ethereum / Polygon / Base / Arbitrum / Optimism (0x...), Bitcoin (1.../3.../bc1...), Solana"
}