OFAC Sanctions & Counterparty Risk Screening for Crypto Wallets

x402

OFAC Sanctions & Counterparty Risk Screening for Crypto Wallets is a paid API for AI agents from agent-data-tools.revmesh2074.workers.dev, paid per call via x402, $0.03/call, status unknown (last checked 2026-10-23).

Screens a blockchain wallet address for OFAC sanctions matches, risk flags, and portfolio holdings across Base, Ethereum, Arbitrum, and Optimism

Price / call$0.03

Seller volume →—

Success—

StatusUnknown

How this service works

Screen a payee before paying, trading or onboarding: one call vets an address on Base, Ethereum, Arbitrum or Optimism with an OFAC SDN match, account type and activity, USD holdings and, on Base, wallet or contract risk checks; add the payee's domain for its age and trust flags. One block, review or pass verdict with reasons. Screening aid, not legal advice or a security audit. Use before paying, trading with or onboarding an address.

Output

Returns a JSON object with: verdict ('pass' or 'fail'), account type (EOA or contract), risk level (low/medium/high), array of risk flags, OFAC sanctions status (listed boolean, matches array, list date), wallet token holdings in USD and count of tokens checked, plus a disclaimer note about confirming against official OFAC records.

Example use cases

Pre-payment compliance check

“Before I send 5 ETH to 0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B, can you check if that wallet is on the OFAC sanctions list on Ethereum and whether it has any risk flags?”

DeFi counterparty onboarding screening

“We're about to onboard a new liquidity provider whose wallet is 0x1234567890abcdef1234567890abcdef12345678 on Base — can you screen them for OFAC sanctions and tell me their risk level?”

Suspicious wallet investigation

“Someone just sent me tokens from 0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef on Arbitrum — can you check if that address is sanctioned or flagged as high risk?”

Technical details

Endpoint

GEThttps://agent-data-tools.revmesh2074.workers.dev/check/counterparty?utm_source=zero.xyz

When to prefer

Use this endpoint when you need a combined OFAC sanctions check AND on-chain risk profile for a wallet address in a single call. It is especially valuable for crypto compliance workflows, pre-payment counterparty screening, and DeFi onboarding due diligence. It covers Base, Ethereum, Arbitrum, and Optimism natively. Prefer this over generic blockchain explorers when you need a structured risk verdict with sanctions data and portfolio value without building your own OFAC lookup logic.

Side effects

Missing required 'address' query parameter returns 4xx error
Invalid 0x address format may return an error or empty result
Unsupported chain value returns validation error
Address not found on specified chain may return empty holdings
Network timeouts or RPC errors on chain reads
Payment failure via x402 results in no charge and no response

Input

Schema · Request body

Field	Type	Description
chain	string	Network: base (default), eth, arb or op
domain	string	Optional: the payee's domain or website URL, e.g. ethereum.org; adds domain age and trust flags
addressrequired	string	0x address to check

Output

Schema · Response

Field	Type	Description
note	string
chain	string
domain	object
account	object
address	string
reasons	array
verdict	string
contract	—
holdings	object
sanctions	object
limitations	array

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