{
  "title": "Institutional data source access map",
  "evidence_as_of": "2026-09-09",
  "entries": [
    {
      "name": "SEC EDGAR",
      "access": "Public interface",
      "reaches": "Company submissions and extracted XBRL information through SEC data APIs. The documented data service requires no API key.",
      "boundary": "This is a filings service. It does not supply a live exchange order book or authorize an order. Observe the service’s current access policies.",
      "source": {
        "title": "EDGAR Application Programming Interfaces (APIs)",
        "publisher": "U.S. Securities and Exchange Commission",
        "url": "https://www.sec.gov/search-filings/edgar-application-programming-interfaces",
        "checked": "2026-09-09"
      },
      "article": "/articles/market-data-api-access/"
    },
    {
      "name": "GLEIF legal-entity records",
      "access": "Public reference",
      "reaches": "Historical and current Legal Entity Identifier records and related reference data.",
      "boundary": "An LEI identifies a legal entity. It does not independently verify every beneficial owner, authorize account access or establish enforceable netting.",
      "source": {
        "title": "LEI Data: Access & Use",
        "publisher": "Global Legal Entity Identifier Foundation",
        "url": "https://www.gleif.org/en/lei-data/access-and-use-lei-data",
        "checked": "2026-09-09"
      },
      "article": "/articles/financial-identifiers-entity-instrument-venue/"
    },
    {
      "name": "OpenFIGI mappings",
      "access": "Published mapping interface",
      "reaches": "Mappings between FIGIs and other market identifiers, with the instrument and listing context required by the request.",
      "boundary": "An instrument mapping does not select every venue or identify a transaction counterparty. Service limits and usage terms apply to the actual access arrangement.",
      "source": {
        "title": "OpenFIGI API Overview",
        "publisher": "OpenFIGI / Bloomberg",
        "url": "https://www.openfigi.com/api/overview",
        "checked": "2026-09-09"
      },
      "article": "/articles/financial-identifiers-entity-instrument-venue/"
    },
    {
      "name": "QuantLib",
      "access": "Open calculation component",
      "reaches": "A quantitative-finance library with a C++ core and language bindings. It supplies components for constructing financial calculations.",
      "boundary": "The library does not supply every input dataset, validate a financial model or confer trading access. Curves, calendars, units and tolerances remain part of the calculation contract.",
      "source": {
        "title": "QuantLib: a free/open-source library for quantitative finance",
        "publisher": "QuantLib Project",
        "url": "https://www.quantlib.org/",
        "checked": "2026-09-09"
      },
      "article": "/articles/financial-programming-languages/"
    },
    {
      "name": "NYSE market feeds",
      "access": "Licensed information product",
      "reaches": "Defined feeds covering categories such as depth, trades, top-of-book and auction information.",
      "boundary": "Coverage and update semantics differ by product. Access, automated use, redistribution and storage rights require the applicable entitlement and agreement.",
      "source": {
        "title": "Real-Time Data",
        "publisher": "NYSE / ICE",
        "url": "https://www.nyse.com/market-data/real-time",
        "checked": "2026-09-09"
      },
      "article": "/articles/market-data-api-access/"
    },
    {
      "name": "Bloomberg Server API",
      "access": "Session-bound licensed access",
      "reaches": "Delivery of licensed Bloomberg information into connected applications under the documented user access arrangement.",
      "boundary": "The retained documentation requires an active Bloomberg Professional session for delivery to the user. An SDK download alone provides no data entitlement or universal retention right.",
      "source": {
        "title": "Server API",
        "publisher": "Bloomberg",
        "url": "https://professional.bloomberg.com/products/data/data-connectivity/server-api/",
        "checked": "2026-09-09"
      },
      "article": "/articles/reproducible-data-rights/"
    },
    {
      "name": "Broker and venue order interfaces",
      "access": "Authorized participant path",
      "reaches": "Order entry and status through the supported venue or broker interface and the account’s permitted operations.",
      "boundary": "A public protocol specification is not a membership or account entitlement. Acceptance, execution, allocation and settlement remain separate states.",
      "source": {
        "title": "OUCH",
        "publisher": "Nasdaq",
        "url": "https://www.nasdaqtrader.com/Trader.aspx?id=OUCH",
        "checked": "2026-09-09"
      },
      "article": "/articles/order-to-settlement-systems/"
    },
    {
      "name": "Fedwire Funds",
      "access": "Settlement service",
      "reaches": "Real-time gross settlement of eligible obligations through the service’s participation and account arrangements.",
      "boundary": "A customer-facing API does not independently grant rail participation or usable settlement funds. Customer posting and availability rules are separate from the rail event.",
      "source": {
        "title": "Fedwire Funds Service Disclosure",
        "publisher": "Federal Reserve Financial Services",
        "url": "https://www.frbservices.org/binaries/content/assets/crsocms/financial-services/wires/funds-service-disclosure.pdf",
        "checked": "2026-09-09"
      },
      "article": "/articles/payment-status-ledger-settlement/"
    },
    {
      "name": "CLSSettlement",
      "access": "FX settlement mechanism",
      "reaches": "Payment-versus-payment settlement for eligible FX payments within the supported service arrangement.",
      "boundary": "Eligibility, participation and funding still need to be established. The settlement mechanism does not eliminate every risk in the underlying transaction.",
      "source": {
        "title": "CLSSettlement",
        "publisher": "CLS",
        "url": "https://www.cls-group.com/products/settlement/clssettlement/",
        "checked": "2026-09-09"
      },
      "article": "/articles/gross-settlement-netting-liquidity/"
    }
  ]
}