vatnode
EU VAT validation API returning official EU consultation numbers, with national registry fallback and an MCP server
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vatnode.devAbout vatnode
vatnode is an EU VAT validation API covering all 27 member states plus Northern Ireland, built around a problem most VAT lookups ignore: proving the check happened when an auditor asks about it years later. Set your own VAT number as the requester once in dashboard settings and every check of a valid VAT number returns the EU Commission's official consultation number automatically — the audit token you attach to an invoice record — or fails with an explicit error rather than a silent null on an otherwise successful response, which is exactly the failure mode that leaves finance teams unable to evidence a check. The second design decision is resilience: when a national source is unavailable, vatnode falls back automatically to national tax and company registries so validation keeps working, and returns enriched company data such as name, address and registration date in the same response. It also serves VAT rates for 45 European countries. Responses come back in under 50 milliseconds when cached, and there are code samples in cURL, Node.js, Python, PHP, Go and Ruby. Data is processed and stored in the EU. For AI workflows the service publishes both an MCP server and a SKILL.md at its root, so an agent can discover and call it without a hand-written wrapper — an unusual amount of agent-readiness for a tax-compliance API.
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Key Features
vatnode Pros & Cons
✅ Pros
- +Audit-evidence handling is the piece most VAT APIs get wrong
- +Registry fallback keeps validation working when VIES is unavailable
- +Agent-ready out of the box via MCP and a published SKILL.md
⚠️ Cons
- −EU and Northern Ireland only — no use for UK-domestic, US or global tax IDs
- −100 free requests/month is testing-only volume
- −Monitored-VAT-ID caps bite before request caps on large customer bases
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