the402 endpoint detail

← All endpoints

data.greeneris.io validate iban

https://data.greeneris.io/v1/validate/iban

payable

Deterministic IBAN check before a SEPA/international transfer: format regex, per-country length (public SWIFT registry, ~85 countries) and ISO 7064 mod-97 checksum. Query: ?iban=FR1420041010050500013M02606 (spaces/dashes tolerated). Returns valid, country, bban, and a precise failure reason. Pure offline computation, 1y cache.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.001
Network
base
Pay to
0x6ab8efe305cce67daa48c97bde29c04402822dff
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
83 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:10:45.227Z (1d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fdata.greeneris.io%2Fv1%2Fvalidate%2Fiban"