---
title: "Wsystem (@wsystem)"
description: "Wsystem: API listing imported from its public OpenAPI spec."
account: "wsystem"
---

# Wsystem

Wsystem: API listing imported from its public OpenAPI spec.

## APIs

1 public API with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/wsystem/feed.md

- [W System EU Business Data API (VAT/VIES, EORI, company registry, sanctions, KYB)](https://skmtc.dev/wsystem/apis/w-system-eu-business-data-api-vat-vies-eori-company-registry.md): EU business data: VAT/EORI validation, company registry lookup, sanctions screening, KYB and e-invoicing