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vatnode
EU VAT Validation With Audit Evidence, Over REST JSON
vatnode wraps the EU's VIES VAT-validation system in a REST JSON API. One authenticated GET returns never-null JSON: valid/invalid, company name and address when the member state returns them, VAT-rate metadata, an optional VIES consultation number to keep as audit evidence, and a national-registry fallback when VIES is down. Coverage is EU-27 plus Northern Ireland (XI). Test-mode fixtures wire it into CI without burning real checks. Free tier is 100 checks a month, no card.
I built vatnode because validating EU VAT numbers takes far more work than it looks.
The official source is VIES. It's bare infrastructure — unauthenticated, no keys or quota, no caching or retry cushion — and it goes down often enough that a checkout or invoicing flow built directly on it will stall at the worst time. Every team selling B2B across the EU writes the same brittle reliability wrapper, then rewrites it after the first outage.
vatnode is that wrapper, done once. One authenticated GET, never-null JSON back: valid/invalid, company name and address when the member state returns them, VAT-rate metadata, and the VIES consultation number when you need it — the evidence that a specific VAT ID was checked at a specific moment, which is what finance and auditors ask for. When VIES is down, it falls back to national tax-authority and company-registry sources instead of failing the request.
Free is 100 checks a month, no card. Test-mode fixtures so you can run it in CI. There's also an official MCP server if you want an AI agent to validate VAT as a tool.
Feedback welcome — especially on where the coverage or the fallback doesn't do what you'd expect.
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About vatnode on Product Hunt
“EU VAT Validation With Audit Evidence, Over REST JSON”
vatnode was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #128 on the daily leaderboard. vatnode wraps the EU's VIES VAT-validation system in a REST JSON API. One authenticated GET returns never-null JSON: valid/invalid, company name and address when the member state returns them, VAT-rate metadata, an optional VIES consultation number to keep as audit evidence, and a national-registry fallback when VIES is down. Coverage is EU-27 plus Northern Ireland (XI). Test-mode fixtures wire it into CI without burning real checks. Free tier is 100 checks a month, no card.
vatnode was featured in Fintech (47.4k followers) and Developer Tools (518.4k followers) on Product Hunt. Together, these topics include over 100.6k products, making this a competitive space to launch in.
Who hunted vatnode?
vatnode was hunted by Iurii Rogulia. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Iurii Rogulia