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Strale VAT Validation
x402
Strale VAT Validation is a paid API for AI agents from api.strale.io, paid per call via x402, $0.0216/call, status unknown (last checked 2026-09-13).
Validates EU VAT numbers including country prefix against official registries and returns structured compliance data with a cryptographic audit record
Price / call$0.0216
Success—
StatusUnknown
How this service works
The trust layer for AI agents — 250+ independently tested data capabilities across 27 countries. Execute capabilities via REST, MCP, A2A, or x402 micropayments. Every call returns an audit record with cryptographic chain hashing.
Output
Returns a structured JSON object indicating whether the VAT number is valid and active, along with the registered company name and address where available, country of registration, and a cryptographic audit record with chain hash for compliance documentation.
Example use cases
B2B invoice VAT compliance check
“Before I issue this tax-exempt invoice to my German supplier, can you validate their VAT number DE811363057 to make sure it's active and registered?”
Accounts payable vendor onboarding
“We're onboarding a new vendor from Sweden — their VAT number is SE556703748501. Can you verify it's valid so we can set them up in our system?”
E-commerce EU tax exemption verification
“A business customer in France claims they're VAT-registered with number FR40303265045 so they shouldn't be charged VAT. Can you confirm that number is legitimate?”
Technical details
Endpoint
GEThttps://api.strale.io/x402/v2/vat-validateWhen to prefer
Choose this endpoint when you need authoritative EU VAT number validation with a built-in audit trail suitable for compliance documentation. It is especially useful in B2B invoicing workflows, vendor onboarding, or e-commerce tax exemption verification where a cryptographic record of the check is required. Prefer this over manual VIES lookups when you need structured JSON output and automated audit logging.
Side effects
- Invalid VAT number format — number does not match expected country prefix pattern
- VAT number not found in registry — may be inactive, cancelled, or non-existent
- Country prefix not supported — only EU member state VAT numbers are supported
- Rate limit or payment failure — x402 micropayment not processed
- External registry temporarily unavailable — VIES or national registry downtime
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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