81trust / 100

Validate Isin

by 2s in Security & trust

x402 APIPassing, checked 5 h ago

Validate an ISIN (International Securities Identification Number, ISO 6166): 2-letter country prefix + 9-char NSIN + Luhn check digit. Returns {valid, isin, country, nsin, embeddedCusip (for US/CA), checkDigit, reason}. Catches transposed characters in security master data that a regex misses. Structure + checksum only.

GET https://2s.io/api/validate/isin

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
154 ms typical, 154 ms slowest 5%
Last check
5 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://2s.io/api/validate/isin?isin=US0378331005"
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2F2s.io%2Fapi%2Fvalidate%2Fisin
const res = await pay("https://2s.io/api/validate/isin?isin=US0378331005");
console.log(await res.json());

Example input

{
  "isin": "US0378331005"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
5 h agoPassed402154 ms$0.0025