validate.crewofthecaptain.com

Main route checked: POST https://validate.crewofthecaptain.com/api/validate/iban
Category: Payments/Rails (tags: payments, gov-data, dev-utils, email-verify) · Listed price: 0.001 USD (from 402index) · Found in: 402index
Last check: 4 min ago · Recent checks with a valid payment request: 20/20 · Median response 729 ms
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402 Challenge Checks

171 valid 402s checked: terms consistent 171, Base USDC offered 171, price matches listing 171 (differs 0), payTo changed vs previous check 0.

Automatic Unpaid Checks (Newest First, Up To 200)

Raw receipts are kept 7 days in the live database.

Other Listed Routes

• POST https://validate.crewofthecaptain.com/api/validate/email Email address syntax check (no DNS). Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base. POST JSON {"value": "..."}; values are never stored. (402index)
• POST https://validate.crewofthecaptain.com/api/validate/eu-vat EU VAT number per-country format (offline), PL with NIP checksum. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base. POST JSON {"value": "..."}; v (402index)
• POST https://validate.crewofthecaptain.com/api/validate/pl-nip Polish NIP tax id: 10 digits + weighted mod-11 checksum. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base. POST JSON {"value": "..."}; values are (402index)
• POST https://validate.crewofthecaptain.com/api/validate/pl-pesel Polish PESEL checksum and encoded date (masked result). Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base. POST JSON {"value": "..."}; values are (402index)
• POST https://validate.crewofthecaptain.com/api/validate/pl-regon Polish REGON: 9 or 14 digits + mod-11 checksum. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base. POST JSON {"value": "..."}; values are never st (402index)

Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).