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KYACheck – OFAC & Wallet Risk Screening
x402
KYACheck – OFAC & Wallet Risk Screening is a paid API for AI agents from kya.lonestaroracle.xyz, paid per call via x402, $0.1/call, status unknown (last checked 2026-10-13).
Screens an EVM wallet address (and optional entity name) against the OFAC SDN list and on-chain risk signals, returning a signed PASS/REVIEW/BLOCK verdict with plain-language reasons
Price / call$0.1
Success—
StatusUnknown
How this service works
KYA / counterparty check for a wallet (and optional name): OFAC + wallet risk + signed verdict
Output
Returns a JSON object containing: a verdict string (PASS, REVIEW, or BLOCK), plain-language reasons array, OFAC wallet match details (listed flag, SDN name, program, currency), OFAC name match result, on-chain wallet risk assessment (risk score 0–10, risk label, risk flags such as sanctioned/mixer/phishing), checked_at timestamp, and a cryptographically signed receipt (secp256k1/EIP-191 signature with signer address) providing an auditable, tamper-evident compliance record.
Example use cases
Pre-payment agent wallet screening
“Before sending that 500 USDC payment, screen the receiving agent's wallet 0xDEAD...BEEF on Base against OFAC and any on-chain risk flags — I only want to proceed if it comes back PASS.”
Onboarding a new vendor entity
“I'm about to onboard a vendor called 'Nova Logistics Ltd' — can you run their name through OFAC SDN screening and also check their wallet address 0x1234...ABCD on Ethereum for sanctions or mixer flags?”
Autonomous agent trust verification
“My orchestration agent wants to hire a sub-agent whose wallet is 0x9999...FFFF on Arbitrum — run a KYA check on it and give me the signed verdict so I have an auditable record of the compliance check.”
Technical details
Endpoint
GEThttps://kya.lonestaroracle.xyz/check?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI agent or automated workflow needs a single-call, machine-readable compliance verdict before executing a payment, hiring a sub-agent, or onboarding a counterparty. It uniquely combines OFAC SDN exact-match wallet screening (~500 crypto addresses), name/entity screening against SDN and alternate-names lists, and on-chain risk scoring (GoPlus flags), all in one response with a cryptographically signed receipt — making it suitable for auditable agentic workflows. Prefer it over manual OFAC lookup tools when you need a programmatic, signed, structured verdict rather than a human-readable web interface.
Side effects
- Invalid or malformed wallet address (0x... format required) returns an error
- Unsupported chain value returns an error — must be one of base, eth, arb, poly, bsc
- Missing wallet query parameter — wallet is required even if name is optional
- Network or upstream OFAC data fetch failure may return a 5xx error
- Payment failure (x402 protocol) if insufficient USDC balance — call will not be processed
- Rate limiting or abuse detection may result in rejection
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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