OFAC SDN & Sanctions List Edge Screener

Machine-to-Machine Conformance API · ofac-sdn-check

$0.000999 / call 20 free calls/day No signup

Deterministic sub-millisecond edge screening of EVM addresses, mixer contracts, and jurisdictions against US Treasury OFAC Specially Designated Nationals (SDN) and comprehensive sanctions lists.

Honest Scope Guarantee

Deterministic, offline, explainable — no ML, no scraping. The response's scope field states the exact guarantee.

Run in Playground (Free) Buy Card Credits Agent Quickstart

Quickstart & Execution

cURL (20 Free Calls/Day • Zero Authentication Required)

curl -X POST https://code402.dev/v1/tools/ofac-sdn-check/call \
  -H "content-type: application/json" \
  -d '{"subject":"0x7f367cc41522ce07553e823bf3be79a889debe1b"}'

No API key needed for the free daily tier. When daily quota exhausts, the endpoint replies with HTTP 402 Payment Required specifying the exact USDC amount. Machines sign an EIP-3009 transfer on Base L2; human engineers buy card credits. Every paid execution returns a cryptographically signed XDR-1 receipt for zero-knowledge audit trails.

Input Parameters

Field	Type	Meaning & Constraints
`subject` (REQUIRED)	`string`	EVM address (0x...) or ISO 3166-1 country code / jurisdiction name

Response Format

Deterministic JSON payload fields: tool, valid, is_sanctioned, match_type, subject, sanction_program, reason, scope. Paid responses also carry an offline-verifiable receipt object with Ed25519/EIP-712 digital signatures.

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