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OFAC SDN Fuzzy Screen API
x402
OFAC SDN Fuzzy Screen API is a paid API for AI agents from x402-ofac-api.vercel.app, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-11).
Fuzzy-matches a person or organization name against the OFAC Specially Designated Nationals (SDN) list, including aliases, and returns scored potential matches.
Price / call$0.02
Success—
StatusUnknown
How this service works
Pay-per-call directional OFAC SDN screen for AI agents (USDC on Base + Solana via x402). Potential matches only — not clearance.
Output
Returns a list of scored potential matches from the OFAC SDN list, including matched aliases and a similarity score for each hit. The results indicate how closely the queried name resembles sanctioned individuals or entities, but do not constitute a legal clearance determination.
Example use cases
KYC onboarding sanctions check
“Before we onboard this new client, can you screen the name 'Reza Ahmadi' against the OFAC SDN list with a threshold of 0.6 and return the top 5 closest matches with their scores?”
Vendor due diligence screening
“Run a sanctions screen on 'Al-Noor Trading LLC' against the OFAC SDN list — use the default threshold and show me up to 25 results so I can review potential matches.”
Transaction counterparty compliance check
“I need to check if 'Natasha Volkov' appears anywhere on the OFAC SDN list, including aliases — run a fuzzy match at threshold 0.7 and limit it to the top 10 scored hits.”
Technical details
Endpoint
POSThttps://x402-ofac-api.vercel.app/ofac-sdn?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, pay-per-call fuzzy OFAC SDN screening check without maintaining your own sanctions database. It is ideal for lightweight compliance workflows, agent-driven KYC pipelines, and one-off counterparty checks where you want scored match candidates including alias coverage. Prefer this over a manual OFAC search when you need programmatic, scored results with configurable thresholds at low per-call cost.
Side effects
- Empty query string returns an error or empty results
- Threshold set above 1.0 or below 0 may cause a validation error
- Limit exceeding 50 may be capped or rejected
- Very common names may return many false-positive hits at low thresholds
- Highly misspelled names may return no matches even for sanctioned entities
- Network or server errors on the Vercel-hosted endpoint may return 5xx responses
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | integer | Max hits to return (default 25, max 50) |
| query | string | Name or alias to screen |
| threshold | number | Match threshold 0-1 (default 0.55) |
Output
Schema · Response
{
"type": "json",
"example": {
"hits": [
{
"score": 1,
"entity": {
"name": "BANCO NACIONAL DE CUBA"
},
"match_via": "primary"
}
],
"query": "BANCO NACIONAL DE CUBA",
"hit_count": 1,
"disclaimer": "Directional OFAC SDN screen only...",
"list_as_of": "2026-10-10T04:18:02.953473+00:00",
"potential_matches_only": true
}
}Tags
x402
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