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
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 5 h ago | Passed | 402 | 154 ms | $0.0025 |