Open Source Filings · Broker Check

GETBase

$0.05

per call · USD Coin on Base

Live disciplinary check of a stockbroker, investment adviser, or brokerage firm against the FINRA BrokerCheck registry. Returns CRD number, registration status, disclosure flag, permanent bar flag, employers, and a FINRA provenance URL per match. For KYC, AML, counterparty due diligence, adviser vetting, and fraud checks. Companion to the 11 authority sanctions screen.

Endpoint

GET https://api.osf-master-server.com/x402/broker/check/:query

Calls / 30d

Unique payers / 30d

Aug 21

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://api.osf-master-server.com/x402/broker/check/:query", {
  method: "GET",
});
const data = await res.json();

cURL

curl -X GET \
  "https://api.osf-master-server.com/x402/broker/check/:query?format=json" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "disclosure_flag_present": true,
  "match_count": 1,
  "matches": [
    {
      "crd_number": "316687",
      "has_disclosures": true,
      "kind": "individual",
      "name": "BERNARD LAWRENCE MADOFF",
      "permanently_barred": true,
      "provenance_url": "https://brokercheck.finra.org/individual/summary/316687"
    }
  ],
  "result": "MATCHES_FOUND"
}

Payment details

Pay to0x72f62de8b70d6cfa8cc2df6f21f243f289f3396c

AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913

NetworksBase

Schemesexact

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