the402 endpoint detail

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api.invoket.com invoice validate

https://api.invoket.com/invoice/validate

payable

Should you accept this invoice? Post a Factur-X PDF, CII or UBL XML and get a deterministic EN 16931 verdict: XSD conformance, every violated business rule by its official BR id with observed vs expected values, Factur-X profile consistency, and syntax checks on IBAN, SIREN/SIRET and VAT identifiers. The formats mandated by the French 2026-2027 reform. A non-conformant invoice is a paid, documente

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x4465825B0ac713aA2Fa07Ea29023020804A128ee
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
227 ms
Payment options
3 usable of 3
Last checked
2026-08-10T09:11:23.666Z (1d ago)
Category
ai-inference

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.invoket.com%2Finvoice%2Fvalidate"