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check-sanctions / watchlist re-screener
x402
check-sanctions / watchlist re-screener is a paid API for AI agents from api.firstmention.uk, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-31).
Re-screens a named watchlist of counterparties against US OFAC, UK OFSI, and EU sanctions lists to flag newly sanctioned entities within a configurable look-back window
Price / call$0.01
Success—
StatusUnknown
How this service works
Re-screen your own counterparty list in one call; pass names separated by | or , and get flagged entries back.
Output
Returns a JSON object listing each screened name with a flagged boolean, best fuzzy match score, and matched sanctions list entries; plus a summary of total watched names, total flagged, newly sanctioned names and their count, the look-back window used, and any notes (e.g. if a name was unscreenable).
Example use cases
Weekly compliance delta check
“Run a sanctions re-screen on my watched counterparties — 'Silk Road Logistics|Northern Star Bank|Zhang Wei' — over the past 7 days and tell me if anyone has been newly added to OFAC, OFSI, or EU lists.”
Onboarding pipeline final AML sweep
“Before we finalize onboarding, re-check this list of names against sanctions lists for the past 90 days: 'Mehmet Yilmaz|Atlas Capital Group|Black Sea Holdings'. Use a fuzzy threshold of 0.9 so we only get high-confidence matches.”
Post-news event rapid re-screening
“There was a new round of EU sanctions announced today — can you re-screen my watchlist 'Volga Tech|Rostov Metals|Elena Sorokina' for the last 2 days to see if any of them are newly flagged?”
Technical details
Endpoint
GEThttps://api.firstmention.uk/s/check-sanctions/watchlist?utm_source=zero.xyzWhen to prefer
Choose this watchlist endpoint when you have an existing set of counterparties you need to periodically re-screen for newly imposed sanctions — it is optimized for delta monitoring (newly_sanctioned flag) rather than one-off onboarding checks. It covers all three major Western sanctions regimes (US OFAC, UK OFSI, EU) in a single call, handles non-Latin name transliteration automatically, and guarantees no false clears on unscreenable names. Prefer it over ad-hoc name-screening endpoints when you need a recurring compliance workflow or when you care specifically about change detection over a configurable look-back window.
Side effects
- 400 returned for names that cannot be screened (e.g. unrecognizable scripts not transliteratable), never a false clear
- Fuzzy threshold out of range (below 0.5 or above 1.0) may cause rejection
- Exceeding 50 pipe-separated names per call returns an error
- Look-back window beyond 400 days is rejected
- Payment failure (x402 USDC on Base) results in 402 response before screening occurs
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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