API · x402

Exact-match OFAC SDN wallet screening for sanctioned digital currency addresses

Exact-match OFAC SDN wallet screening for sanctioned digital currency addresses. Screens one wallet address against Treasury's public SDN advanced XML and returns hit or clear status, asset coverage, sanctioned entity metadata, sanctions programs, list source…

by x402helper.xyz · discovered, not yet claimed by its owner · updated 2026-10-11

Mirrored from Coinbase's public x402 Bazaar. The description is the provider's own text and has not been reviewed here; the payment requirements are copied as published.

What it does

Tags: bazaar

Use with an agent

Discover. Agents find this listing with GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP tool search_resources, or /discovery/resources.
Inspect. Fetch /resources/33214.json for the price and payment options.
Pay. Call GET https://x402helper.xyz/api/ofac-wallet-screen/:address. The provider answers 402 with its payment requirements. An x402 client signs one of the options below and retries with PAYMENT-SIGNATURE.
Execute. The provider returns 200 with the data. Agent Bazaar is not in the request path and never sees your payment.

For humans

You don't need an account or an API key; you need a wallet holding a small amount of USDC on Base, Solana, eip155:56, Arbitrum One, eip155:1329, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.

Pricing & payment

Price: $0.013 / request
Protocol: x402 v2
Auth: No account or API key. Pay per request.
Networks: Base, Solana, eip155:56, Arbitrum One, eip155:1329
Calls (30d): 2 · 2 unique payers (third-party data from the public x402 Bazaar)

x402 payment requirements

Scheme	Network	Asset	Amount	Pay to	Timeout
exact	Base eip155:8453	USDC	$0.013	0x3803A19280DeeFe533D177C4A169412BD341101b	300s
exact	Solana solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp	USDC	$0.013	sLJ4uneGcD1mg6hKtkLYsY5HCw1nJ8GpNAmbzBWPBgk	300s
exact	eip155:56 eip155:56	0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d	13000000000000000	0x3803A19280DeeFe533D177C4A169412BD341101b	300s
exact	Arbitrum One eip155:42161	USDC	$0.013	0x3803A19280DeeFe533D177C4A169412BD341101b	300s
exact	eip155:1329 eip155:1329	0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392	13000	0x3803A19280DeeFe533D177C4A169412BD341101b	300s

accepts[] (raw JSON)

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x3803A19280DeeFe533D177C4A169412BD341101b",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "13000",
    "amountUsd": 0.013,
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "sLJ4uneGcD1mg6hKtkLYsY5HCw1nJ8GpNAmbzBWPBgk",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "13000",
    "amountUsd": 0.013,
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:56",
    "payTo": "0x3803A19280DeeFe533D177C4A169412BD341101b",
    "asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d",
    "amount": "13000000000000000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "payTo": "0x3803A19280DeeFe533D177C4A169412BD341101b",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "13000",
    "amountUsd": 0.013,
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:1329",
    "payTo": "0x3803A19280DeeFe533D177C4A169412BD341101b",
    "asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
    "amount": "13000",
    "maxTimeoutSeconds": 300
  }
]

Schemas

Output schema (JSON Schema)

{
  "properties": {
    "example": {
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}

Example shape — generated from the schema, not a captured live response

{
  "example": {},
  "type": "string"
}

Examples

curl

curl "https://x402helper.xyz/api/ofac-wallet-screen/:address"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://x402helper.xyz/api/ofac-wallet-screen/:address");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://x402helper.xyz/api/ofac-wallet-screen/:address")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Details

Provider: x402helper.xyz
Endpoint: https://x402helper.xyz/api/ofac-wallet-screen/:address
Machine-readable: /resources/33214.json