Crypto Compliance API

On-chain address intelligence via x402 micropayments. Pay per query, no subscription.

POST /api/vasp-lookup

Check if an address belongs to a known VASP (exchange, mixer, bridge, instant swap). $0.01/query.

{
  "address": "0xd90e2f925DA726b50C4Ed8D0Fb90Ad053324F31b",
  "chain": "ethereum"
}

GET /api/vasp-lookup — returns database stats (free)

POST /api/risk-score

Compliance risk score (0-100) with signal detection. Checks sanctions, mixers, instant swaps, scam patterns. $0.01/query.

{
  "address": "0xb7e1bb...",
  "chain": "ethereum",
  "counterparties": ["0xabc...", "0xdef..."]
}

POST /api/sanctions-check

Sanctions and mixer screening. Single address or batch (up to 100). $0.01/query.

{
  "addresses": [
    "0xd90e2f925DA726b50C4Ed8D0Fb90Ad053324F31b",
    "0xb7e1bb75395262172cd90037d8ac0509d3911394"
  ]
}

Coverage

20,468
Addresses
238+
VASPs
29
Chains
$0.01
Per Query

Payments via x402 — USDC on Base. No API key needed. Agents pay per request automatically.