Embed a USDT blacklist checker on your site

<div
  id="freezeradar-widget"
  data-theme="dark"
></div>
<script src="https://freezeradar.com/widget.js"></script>

import { useState } from 'react';

async function checkAddress(address) {
  const res = await fetch(
    `https://freezeradar.com/api/widget/check?address=${encodeURIComponent(address)}`
  );
  const body = await res.json();
  if (!body.ok) throw new Error(body.error.message);
  return body.data; // { address, chain, blacklisted, sanctioned }
}

export function BlacklistCheck() {
  const [address, setAddress] = useState('');
  const [result, setResult] = useState(null);

  return (
    <div>
      <input value={address} onChange={(e) => setAddress(e.target.value)} />
      <button onClick={() => checkAddress(address).then(setResult)}>
        Check
      </button>
      {result && (
        <p>
          Blacklisted: {result.blacklisted ? 'Yes' : 'No'} · Sanctioned:{' '}
          {result.sanctioned ? 'Yes' : 'No'}
        </p>
      )}
    </div>
  );
}