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Crypto Sanctions Screen (x402)
x402
Crypto Sanctions Screen (x402) is a paid API for AI agents from sanctions-screen.frcompanycheck.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-12).
Checks a single cryptocurrency address against the OFAC SDN digital-currency-address list and returns whether it is sanctioned, along with matching program and entity details.
Price / call$0.002
Success—
StatusUnknown
How this service works
Screen a crypto address against the OFAC SDN digital-currency-address list (U.S. Treasury, public domain). Pay per call with x402 (USDC on Base). Not legal advice.
Output
Returns a JSON object with: the queried address, a boolean 'sanctioned' flag, the OFAC SDN list metadata (name, license, publish date, address count), and an array of matches each containing currency type, SDN programs (e.g. CYBER2, HRIT-IR), SDN entity type, and entity name. If not sanctioned, the matches array is empty.
Example use cases
Pre-transfer compliance check
“Before I send USDC to 0x252a8bd2319d8a555b872990601221b3a2053bce, can you screen that wallet address against the OFAC sanctions list to make sure it's not tied to any sanctioned entity?”
DeFi protocol onboarding gate
“I'm onboarding a new user whose wallet is 0xabc123def456... — can you run a sanctions check on that address against the OFAC SDN digital currency list so I know if we can allow them on the platform?”
Investigate flagged transaction counterparty
“We received a transaction from 0x7f23c8b1a9d4e56... and our risk team wants to know if that address shows up on any US Treasury OFAC sanctions programs — can you look it up?”
Technical details
Endpoint
GEThttps://sanctions-screen.frcompanycheck.workers.dev/v1/screen/%7Baddress%7D?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, pay-per-call OFAC SDN sanctions check on a single crypto address without committing to a subscription-based compliance service. Ideal for agents that perform on-demand pre-transaction screening, onboarding flows, or risk checks where volume is low to moderate and micropayment billing via x402 on Base is acceptable. Prefer dedicated compliance platforms for high-volume batch screening or when you need broader watchlist coverage beyond the OFAC SDN digital currency addresses.
Side effects
- Invalid or malformed address format may return an error or empty match result
- OFAC list data may be stale if the publish_date has not been refreshed recently
- Address not found on list does not guarantee the address is safe — only that it isn't currently listed
- x402 payment failure if USDC balance on Base is insufficient
- Rate limiting or worker downtime may cause transient 5xx errors
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"list": {
"name": "OFAC SDN",
"license": "public domain (U.S. federal government work)",
"publish_date": "10/09/2026",
"address_count": 1050
},
"address": "0x252a8bd2319d8a555b872990601221b3a2053bce",
"matches": [
{
"currency": "ETH",
"programs": [
"CYBER2",
"HRIT-IR"
],
"sdn_type": "Entity",
"entity_name": "ISLAMIC REPUBLIC OF IRAN"
}
],
"sanctioned": true
}
}Tags
x402
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