Merchant KYB & Sanctions API for Payment Providers

Prometiam is a company-data and sanctions layer for payment service providers and acquirers who underwrite merchants at volume and then carry that risk for the life of the relationship. Verify merchants against every registry the API covers and keep them under watch from one API — registry verification, beneficial ownership, and sanctions screening (beta) — with webhooks when a merchant changes.

Why PSPs pick Prometiam

Resolve any EU + UK merchant by name or national ID (NIF / SIREN / company_number) with daily-fresh registry data.
Screen the merchant and its officers against six sources — EU, UN, OFAC, UK OFSI, French gels, and the US Consolidated Screening List (BIS Entity List, Denied Persons, ITAR) — in one scored call. PEP screening is beta and Spain-only (no relatives or close associates, so not sufficient on its own for FATF); no adverse-media.
Watchlist webhooks fire on director changes, capital reductions, dissolutions, and insolvency filings. Company monitoring covers Spain, Ireland, Poland, Finland, Sweden, Belgium, Croatia and Denmark.
Insolvency early warning: Spanish concurso and French procédure collective filings the day they publish.
Beneficial ownership is UK PSC only, plus directors/officers for ES/FR/GB/NO. Ireland and Poland are company-level only. Full national UBO registers are not yet exposed.

Pricing

Onboarding a merchant runs roughly 4–6 calls. A PSP onboarding 2,000 merchants a month plus daily monitoring sits inside the Professional tier (€29.99/mo, 100,000 calls); high-volume acquirers scale to €99.99/mo (1,000,000 calls). Watchlist webhooks and sanctions screening are included from Professional up. Free tier and public pricing.

Prometiam pairs with your identity/document-verification and transaction-monitoring stack rather than replacing them.