{"slug":"agents-factstamp-dev-vat-ccd4b3","title":"An EU VAT number check — VAT validity, and the VAT registration behind it","host":"agents.factstamp.dev","method":"POST","resource":"https://agents.factstamp.dev/vat","category":"other","description":"An EU VAT number check — VAT validity, and the VAT registration behind it. Relevant wherever a VAT number is being relied on or cited: the check reads the official VIES service (European Commission), keyless, and returns valid, invalid or unknown — an outage is never reported as invalid — with the m","price_listed":0.05,"price_asked":0.05,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":46,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"country_code":"IE","vat_number":"6388047V"},"bodyType":"application/json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","additionalProperties":false,"properties":{"input":{"additionalProperties":true,"properties":{"body":{"type":"object"},"bodyType":{"const":"application/json"},"method":{"const":"POST"},"type":{"const":"http"}},"required":["type","method"],"type":"object"},"output":{"additionalProperties":true,"properties":{"example":{"type":"object"},"type":{"const":"json"}},"required":["type","example"],"type":"object"}},"required":["input","output"],"type":"object"},"history":[{"day":"2026-10-18","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.05,"price_match":true,"latency_ms":46,"error":null}],"description_full":"An EU VAT number check — VAT validity, and the VAT registration behind it. Relevant wherever a VAT number is being relied on or cited: the check reads the official VIES service (European Commission), keyless, and returns valid, invalid or unknown — an outage is never reported as invalid — with the member state, the register's own request date, and the trader identity only where that member state discloses it. GB is out of scope after Brexit; XI (Northern Ireland) is covered. Not tax advice.","last_updated":"2026-10-18T05:01:34.823Z","schemes":["exact"]}