W
W System EU Business Data API (VAT/VIES, EORI, company registry, sanctions, KYB)
EU business data: VAT/EORI validation, company registry lookup, sanctions screening, KYB and e-invoicing
Proprietary API; MCP server code MIT26 operations10 schemas2 revisions
Changes
Full historySource
View schema- Spec
- OpenAPI 3.1.0
- Document
- api.wsystem.dev · JSON, 36 KB
- Retrieved
- Oct 20, 2026, 16:15 UTC
- Digest
- ab39146b346f
For agents
Every page here has a markdown twin. The overview is one fetch; the llms.txt lists every operation with a link to its own markdown.
curl https://skmtc.dev/wsystem/apis/w-system-eu-business-data-api-vat-vies-eori-company-registry.mdcurl https://skmtc.dev/wsystem/apis/w-system-eu-business-data-api-vat-vies-eori-company-registry/llms.txt