Sanctions & Due Diligence

Compliance screening · OpenSanctions + UK/US/AU/SG/CA/IE registries + Claude AI

OFAC · FCDO · EU · UN · 100+ lists 6 registries v6.1
Screening sensitivity
Balanced — standard threshold (0.55). Suitable for most NDA-stage checks.

Configuration

All API keys are stored as Cloudflare Worker secrets. Nothing sensitive is stored in this app.

Version: v6.1
OpenSanctions: Batch match (1 API call per check regardless of director count)
Registries: UK · US (SEC+GLEIF) · Australia · Singapore · Canada · Ireland
Caching: Session cache — repeated names free within same session
Access: URL-only on this version
Worker secrets required (v6.1) OS_API_KEY · ANTHROPIC_API_KEY · CH_API_KEY
SEC EDGAR, GLEIF, ABN Lookup, ACRA, Corporations Canada, and CRO Ireland require no API keys.

Cost efficiency (v6.1) All entity + director/UBO names are sent to OpenSanctions in a single batch call per check. Repeated names within the same browser session are served from cache — zero additional API calls. This reduces cost from up to 16 calls/check down to 1 call/check.