the402 endpoint detail

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x402-datashop-production.up.railway.app validate bic

https://x402-datashop-production.up.railway.app/v1/validate/bic

payable

Deterministic BIC/SWIFT check before an international payment: ISO 9362 structure (4-letter bank, 2-letter country, 2-char location, optional 3-char branch) plus a real ISO 3166-1 country-code verification. Query: ?bic=BNPAFRPP or ?bic=DEUTDEFF500. Returns valid, parsed parts and is_test_bic (8th char '0'). Pairs with /v1/validate/iban for country-consistency checks. Pure offline computation, 1y c

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
307 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:15:18.032Z (1d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402-datashop-production.up.railway.app%2Fv1%2Fvalidate%2Fbic"