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Compliance Sanctions Screen

by OFAC Sanctions Screening in Security & trust

x402 APIPassing, checked 2 h ago

Screen any person or company against the US Treasury OFAC sanctions lists — SDN and Consolidated, primary names plus every recorded alias, 39,000 names in total. Handles the 'LAST, First' convention OFAC uses, strips legal suffixes so Ltd and Limited match, and returns exact, strong and possible hits with the sanctions programmes attached. Tuned to over-report rather than miss. Returns the list build date so you know how current the screen is.

GET
https://x402-filings.datalayer.workers.dev/v1/compliance/sanctions-screen
Price
$0.02
per call in USDC
Uptime
100%
last 30 days
Response time
458 ms
728 ms slowest 5%
Last check
Passed
2 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed

How to call it

GET https://x402-filings.datalayer.workers.dev/v1/compliance/sanctions-screen

Each call costs $0.02 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://x402-filings.datalayer.workers.dev/v1/compliance/sanctions-screen?limit=25&minScore=0.5&name=Gazprom&type=individual

Parameters

ParameterTypeRequiredDescription
limitintegerNoMax matches, 1-50. Default 25.
minScorenumberNoMatch threshold 0-1. Lower finds more, with more noise. Default 0.5.
namestringNoPerson or company name to screen. Required.
typestringNoRestrict to individual, vessel or aircraft. Omit for all.

Example response

The provider's example. We can't check it without paying.

Example response, 28 lines
{
  "clear": false,
  "highestConfidence": "exact",
  "hitCount": 3,
  "listVersion": "2026-08-19T00:00:00+00:00",
  "matches": [
    {
      "confidence": "strong",
      "entityType": "unknown",
      "list": "SDN",
      "matchedOn": "primary name",
      "name": "GAZPROM INFORM, OOO",
      "programmes": [
        "UKRAINE-EO13662"
      ],
      "score": 0.5,
      "uid": "19670"
    }
  ],
  "namesScreened": 39180,
  "query": {
    "limit": 25,
    "minScore": 0.5,
    "name": "Gazprom",
    "type": null
  },
  "summary": "3 possible match(es): 1 exact, 2 strong."
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.02.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402-filings.datalayer.workers.dev/v1/compliance/sanctions-screen?limit=25&minScore=0.5&name=Gazprom&type=individual'

# 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-filings.datalayer.workers.dev/v1/compliance/sanctions-screen?limit=25&minScore=0.5&name=Gazprom&type=individual' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-filings.datalayer.workers.dev%2Fv1%2Fcompliance%2Fsanctions-screen
const res = await pay("https://x402-filings.datalayer.workers.dev/v1/compliance/sanctions-screen?limit=25&minScore=0.5&name=Gazprom&type=individual");
console.log(res.status, await res.text());
Python: pay and call
# 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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
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-filings.datalayer.workers.dev/v1/compliance/sanctions-screen?limit=25&minScore=0.5&name=Gazprom&type=individual")
    print(res.status_code, res.text)

Security scan

No findings

We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed402313 ms$0.02
6 h agoPassed402124 ms$0.02
10 h agoPassed402461 ms$0.02
14 h agoPassed402496 ms$0.02
18 h agoPassed402564 ms$0.02
Show 10 older checks
22 h agoPassed402344 ms$0.02
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34 h agoPassed402450 ms$0.02
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