Endpoint · computeGETapi.duoleads.com /v1/id/national ?country=NL&kind=bsn&value=111222333
Validate a national identity, tax or company registration number against its country's official checksum rule.
Read more
Validate 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 itself is never stored (logs keep only its length and character types).Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.05 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.duoleads.com/v1/id/national?country=NL&kind=bsn&value=111222333
MCP server on this host: com.duoleads.api/data-utilities
Seen
first 5 days ago · last 19 hr ago
9 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Buy it through Teppi
- ?Pay on delivery
- 0.055000 USDC (0.050000 to the seller, 0.005000 fee)
- Where
- https://api.teppi.xyz/v1/via/cap_01M3NV250Y0EXC88FEZ80CFV5Q
- ?Ask the price
curl -si https://api.teppi.xyz/v1/via/cap_01M3NV250Y0EXC88FEZ80CFV5Q
About
- ?Description
- Validate 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 itself is never stored (logs keep only its length and character types).
- URL
- https://api.duoleads.com/v1/id/national?country=NL&kind=bsn&value=111222333
- Method
- GET
- Class
- compute
- ?Checkable to
- L1
- Endpoint id
- cap_01M3NV250Y0EXC88FEZ80CFV5Q
- ?Badge
Reads live. UNRATED until paid calls earn a letter.
- Markdown
- [](https://teppi.xyz/endpoint/cap_01M3NV250Y0EXC88FEZ80CFV5Q)
- HTML
- <a href="https://teppi.xyz/endpoint/cap_01M3NV250Y0EXC88FEZ80CFV5Q"><img src="https://api.teppi.xyz/badge/cap_01M3NV250Y0EXC88FEZ80CFV5Q.svg" alt="Teppi delivery record"></a>
- Image
- https://api.teppi.xyz/badge/cap_01M3NV250Y0EXC88FEZ80CFV5Q.svg
Verify it yourself
npx teppi-check https://api.duoleads.com/v1/id/national?country=NL&kind=bsn&value=111222333curl -s https://api.teppi.xyz/v1/trust/cap_01M3NV250Y0EXC88FEZ80CFV5Q