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Validate Isin

by api.aventtech.com in Markets & finance

x402 APIPassing, checked 3 h ago

Validate an ISIN securities identifier (ISO 6166) and check whether it is valid. Verifies structure and the Luhn check digit and extracts the country code and NSIN. Instant ISIN validation and verification for stocks, bonds and financial instruments.

GET https://api.aventtech.com/validate/isin

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
39 ms typical, 39 ms slowest 5%
Last check
3 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://api.aventtech.com/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%2Fapi.aventtech.com%2Fvalidate%2Fisin
const res = await pay("https://api.aventtech.com/validate/isin?isin=US0378331005");
console.log(await res.json());

Example input

{
  "isin": "US0378331005"
}

Example output

{
  "countryCode": "US",
  "nsin": "037833100",
  "valid": true
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed402509 ms$0.01
8 h agoPassed40239 ms$0.01