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OFAC Sanctions Check for Crypto Address
x402
OFAC Sanctions Check for Crypto Address is a paid API for AI agents from flat-rate-llm.kikoribera03.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Checks a single cryptocurrency address against the OFAC SDN list and returns the exact matching sanctioned entity, its type, and sanctions programmes if found.
Price / call$0.01
Success—
StatusUnknown
How this service works
Checks one crypto address against the OFAC SDN list published by the US Treasury, across 16 currencies including Ethereum, Bitcoin, Tron and USDT. A hit returns the actual list entry - sanctioned entity, its type and its sanctions programmes - not a risk score. Exact matching only, never fuzzy. Every answer carries the publication date of the list snapshot. No API key, no account.
Output
Returns either a no-hit confirmation or the exact SDN list entry for the matched address, including the sanctioned entity's name, entity type (e.g. individual, organisation), and the applicable sanctions programmes. Every response includes the publication date of the OFAC list snapshot used for the lookup.
Example use cases
Pre-transaction compliance screening
“Before I send USDC to this address — 0x1234abcd5678ef900000000000000000deadbeef — can you check if it's on the OFAC SDN list? It's an Ethereum address.”
DeFi counterparty due diligence
“I'm about to interact with a Tron wallet, address TRX9aBcDeFgHiJkLmNoPqRsTuVwXyZ1234. Can you screen it against OFAC sanctions and tell me if it's linked to any sanctioned entity or programme?”
Bitcoin wallet sanctions audit
“We received a Bitcoin payment from bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq — can you run it through the OFAC SDN list and tell me if it's sanctioned, and if so what programmes apply?”
Technical details
Endpoint
POSThttps://flat-rate-llm.kikoribera03.workers.dev/v1/crypto/sanctionsWhen to prefer
Choose this endpoint when you need exact, binary OFAC sanctions screening for a specific crypto address with no API key or account setup, and when you need the actual SDN list entry (entity, type, programmes) rather than a risk score. Prefer this over general compliance platforms when you want a lightweight, per-call pay-as-you-go check across major chains including Ethereum, Bitcoin, Tron, and USDT.
Side effects
- Address not found on SDN list — returns clean/no-hit result (not an error)
- Unsupported currency/chain — only 16 supported currencies; unsupported chains return an error
- Malformed address — invalid address format returns an error
- Fuzzy or partial matches are not returned — only exact matches
- List snapshot may be slightly behind real-time OFAC updates depending on publication date
Tags
x402
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