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LION OFAC Sanctions Screen
x402
LION OFAC Sanctions Screen is a paid API for AI agents from lionx402.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Screens a blockchain wallet address against the US Treasury OFAC Specially Designated Nationals (SDN) list and returns a sanctioned/not-sanctioned verdict with confidence score and attestation metadata
Price / call$0.005
Success—
StatusUnknown
How this service works
Is this address on the OFAC SDN list? $0.005 detailed sanctions screen for agents (same list as $0.001 wallet-screen, fuller fields + multi-list metadata). Ed25519-attested. Matches: OFAC SDN, AML address screen.
Output
Returns a JSON object indicating whether the queried wallet address appears on the US Treasury OFAC SDN list, including: the list name, snapshot date, match address, a boolean 'sanctioned' field, a confidence score (0-1), a unique asset_id for attestation, and the total number of sanctioned addresses in the snapshot.
Example use cases
Example prompt
“Before I send funds to 0x8589427373D6D84E98730D7795D8f6f8731FDA16, can you run an OFAC sanctions screen on that wallet address and tell me if it's on the SDN list?”
Technical details
Endpoint
GEThttps://lionx402.com/api/x402/sanctions-screen-jsonWhen to prefer
Use this endpoint when you need a keyless, pay-per-call OFAC sanctions check on a blockchain wallet address without API key registration. Ideal for AI agents handling crypto transactions that must perform compliance checks before sending funds, onboarding users, or interacting with smart contracts. Prefer this over traditional KYC APIs when you need crypto-native payment (USDC on Base via x402) and Ed25519-attested responses that can be verified offline.
Side effects
- Address not found in snapshot — returns resolved:false with sanctioned:false
- Malformed or non-Ethereum address input — likely 4xx error
- Payment failure via x402 — 402 response requiring USDC payment on Base
- Stale snapshot — as_of date may lag real-time OFAC updates
- No match but address added to SDN after last snapshot — false negative risk
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"asset_id": "LION_OFAC_SANCTIONS_001",
"resolved": true,
"sanctioned": false,
"list_status": "loaded"
}
}Tags
x402
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