Sanctions Check

{
  "data": {
    "address": "6wjqWWra8ombzaw6VHrG5xpQ972jCYF6bbHiFCbWmr4U",
    "address_family": "solana-or-other-base58",
    "checked_lists": [
      {
        "addresses_on_list": 1066,
        "copy_fetched_at": "2026-10-14T06:23:38.247Z",
        "list": "OFAC SDN (Specially Designated Nationals and Blocked Persons)",
        "version_date": "2026-10-13"
      }
    ],
    "lists": [
      {
        "chain_ticker": "SOL",
        "entry_name": "SHELBIT EXCHANGE",
        "entry_uid": 58287,
        "list": "OFAC SDN",
        "program": "SDGT",
        "published": "2026-10-13",
        "sdn_type": "Entity"
      }
    ],
    "match": true,
    "not_checked": [
      "UK OFSI consolidated list (no crypto address data in the published file)",
      "EU consolidated list (no crypto address data in the published file)",
      "OFAC Consolidated (non-SDN) list"
    ],
    "notice": "Exact-string match against the digital currency addresses on the OFAC SDN list as published on the date shown. A no-match is not a clearance: an address can be controlled by a listed party without being listed, and other lists exist. Informational, not legal a…",
    "source": "U.S. Treasury OFAC Sanctions List Service (sanctionslistservice.ofac.treas.gov), SDN list"
  },
  "paid": true,
  "tool": "get_sanctions_check"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402.ochinimus.app/api/sanctions-check/:address'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://x402.ochinimus.app/api/sanctions-check/:address' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.004 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.004" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.004 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.ochinimus.app%2Fapi%2Fsanctions-check%2F%3Aaddress
const res = await pay("https://x402.ochinimus.app/api/sanctions-check/:address");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.004 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.004"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://x402.ochinimus.app/api/sanctions-check/:address")
    print(res.status_code, res.text)