Unnamed service
GET api.aventtech.com/validate/vat
Why an agent can trust this route.
Sonar evidence is advisory. Paid delivery is shown as verified only when paid probes are available; otherwise route estimates use the unpaid handshake as a clearly labeled proxy.
Observed outcomes
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.
Resource: api.aventtech.com/validate/vat
Network: eip155:8453 · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x5100a134d768415cc4a25d7bdbcfc44394d62282
Payment methods: — · Last validation: 2026-10-15 11:43:48.439+00
{
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [
"vat"
],
"properties": {
"vat": {
"type": "string",
"description": "Country code + VAT number, e.g. DE811907980, EL999999999"
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
},
"paymentRequirements": [
{
"raw": {
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x5100a134d768415cc4a25d7bdbcfc44394d62282",
"amount": "20000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"payTo": "0x5100a134d768415cc4a25d7bdbcfc44394d62282",
"scheme": "exact",
"network": "eip155:8453",
"amountAtomic": "20000"
}
]
}Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.