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x402 Paid MCP — OFAC SDN Priority Search
x402
x402 Paid MCP — OFAC SDN Priority Search is a paid API for AI agents from x402-paid-mcp.vercel.app, paid per call via x402, $1/call, status unknown (last checked 2026-10-13).
Searches the OFAC Specially Designated Nationals (SDN) list for a given query string, returning fuzzy-matched sanctions screening results via a pay-per-call x402 micropayment endpoint.
Price / call$1
Success—
StatusUnknown
How this service works
Paid MCP wrapping live x402 OFAC SDN and SHA-256 meters. USDC on Base (preferred) and Solana.
Output
Returns a list of SDN matches ranked by similarity score, including matched entity names, SDN entry details, and confidence/match scores, filtered by the specified threshold and capped at the requested limit.
Example use cases
KYC onboarding sanctions check
“Before I onboard this new business customer called 'Alibek Nazarov Trading LLC', can you screen them against the OFAC SDN list with a 0.85 threshold and show me the top 3 matches?”
Crypto wallet counterparty screening
“I'm about to send funds to a counterparty — can you run 'Ivan Petrov' through the OFAC SDN list with a threshold of 0.75 and up to 10 results to make sure he's not sanctioned?”
Automated compliance check in payment pipeline
“Screen the entity name 'Hezbollah Financial Network' against OFAC SDN with a threshold of 0.9 and limit to 5 results — flag anything that comes back as a match.”
Technical details
Endpoint
POSThttps://x402-paid-mcp.vercel.app/api/v1/ofac-sdn-priority?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time, pay-per-call OFAC SDN sanctions screening without a subscription, especially in crypto-native or agent workflows that support x402 micropayments in USDC. Prefer this over bulk screening APIs when you need on-demand spot checks with configurable fuzzy matching thresholds.
Side effects
- Empty results if query doesn't fuzzy-match anything above the threshold
- Payment failure if USDC balance is insufficient or x402 payment handshake fails
- Invalid input if query string is missing (required field)
- Threshold out of range causing no results or overly broad matches
- Network or upstream OFAC data fetch errors returning 5xx
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | integer | |
| queryrequired | string | |
| threshold | number |
Tags
x402
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