Directory / api.duoleads.com
api.duoleads.com/v1/id/national working
https://api.duoleads.com/v1/id/national
Before you pay
- Advice
ok- Protocol
- x402 · http · GET
- Asks for
- 0.05 USDC on base
- Catalogue says
- 0.05 USDC
- Pays to
0xCD673f7e1daD254347AEab6be0DEFe8b9C6b3A39- Last check
- 14 min ago · 131 ms · HTTP 402
- Detail
- 402 with valid terms
Reliability
- Uptime 24 h
- 100.0%
- Uptime 7 days
- 100.0% (36 checks)
- Uptime 30 days
- 100.0% (signed daily)
- Paid calls 30 d
- 2 from 2 payers (x402 Bazaar)
- Listed by
- x402-bazaar
- First seen
- 2026-11-05 22:08 UTC
Description (from the catalogue, unverified)
VAT, tax ID and national ID validator: check a national identity, tax or company registration number against its country's official checksum rule. Covers 23 countries including NL BSN, ES NIF/NIE/CIF, IT codice fiscale, FR SIREN/SIRET, DE Steuer-ID, BE/PL/CZ national numbers, SE/NO/DK/FI personal numbers, BR CPF/CNPJ, AU ABN/TFN, UK NINo, IE PPS, US NPI/EIN. Structure and check digit only, no registry lookup; the number is never stored (logs keep only its length and character types).
Signed history
| When | Statement | Log index |
|---|---|---|
| 2026-11-06 00:15 UTC | 69e1082c…e5cd2a daily summary | 63789 |
Verify any statement offline: how.
For agents and owners
JSON: https://alalanet.com/v1/services/zook2lbt7tz7ffjl
Badge:
<a href="https://alalanet.com/s/zook2lbt7tz7ffjl"><img src="https://alalanet.com/badge/zook2lbt7tz7ffjl" alt="alalanet status"></a>Own this service? Get verified. Do not want it checked? See the prober page.