Reference Data API

Validates an IBAN (ISO 13616: country format, length, check digits and, where defined, the national account check digit), formats it and splits it into bank code, branch code and account number, with SEPA membership and the bank name/BIC where a national bank directory exists. For payment, invoicing and onboarding agents. Does not prove that the account exists.

Open endpoint ↗

Price per call: $0.02
Chain: Base
Method: GET
Paid calls · 30 days: 1

Call it from code

This API is run by its own provider and paid directly through x402. We list it so you can find it; we don't route or hold the payment.

import { x402Client, wrapFetchWithPayment } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";

const client = new x402Client();
registerExactEvmScheme(client, { signer: agentAccount });

const pay = wrapFetchWithPayment(fetch, client);
const res = await pay("https://reference-data-api.onrender.com/v1/iban", { method: "GET" });
console.log(await res.json());

https://reference-data-api.onrender.com/v1/iban