{"slug":"api-aventtech-com-validate-vat-365081c5","name":"api.aventtech.com/validate/vat","summary":"Validate an EU VAT number and check whether a VAT registration is valid, against the official European Commission VIES registry in real time. Returns validity and, when available, the registered company name and address. Authoritative VAT number validation, verification and company lookup for invoicing, tax compliance and B2B onboarding across all EU member states.","status":"live","indexable":true,"listed_since":"2026-10-25T17:52:56.638371Z","sources":[{"source":"x402_bazaar","external_id":"https://api.aventtech.com/validate/vat","owner_address":"0x5100a134d768415cc4a25d7bdbcfc44394d62282","seen_at":"2026-10-26T16:31:22.864589Z","removed_at":null}],"endpoints":[{"url":"https://api.aventtech.com/validate/vat","host":"api.aventtech.com","protocol":"x402","state":"live","last_probe_at":"2026-10-26T03:24:47.617664Z","last_ok_at":"2026-10-26T03:24:47.617664Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"api-aventtech-com-b03605c7","name":"api.aventtech.com"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":2,"paid_calls_30d":2,"last_paid_at":"2026-10-08T06:26:34.682Z","reported_at":"2026-10-26T16:31:22.864589Z"},"assessment":{"method":"2026.10.1","checks":[{"id":"answers","state":"pass","reason":"Answered a check 11 hours ago."},{"id":"owner","state":"fail","reason":"No one has proven control of its domain or of the wallet it is paid at."},{"id":"track_record","state":"fail","reason":"Listed for 0 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"2 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":1,"applicable":4,"contradicted":false,"computed_at":"2026-10-26T14:51:22.447483Z"},"identity":{"endpoint_domains":["aventtech.com"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}