BT Bloomberg L.P. (FIGI Registration Authority) · Market & fundamentals data
Bloomberg's subscription workstation for market data, news, analytics, messaging and execution, with Excel integration and the BLPAPI library for C++, Java, .NET and Python
Proprietary Paid Enterprise Local Nov 2, 2026BR Bluebeam, Inc. (Nemetschek Group) · Construction estimating & quantity surveying
PDF markup, measurement and collaboration software for construction documents, with a Windows desktop app plus web and mobile companions
Proprietary Paid Enterprise Local Nov 2, 2026C Centris Corporation inc. · Real estate valuation & property data
Québec's broker-fed real estate listings portal operated by Centris, with for-sale and rental listings, price statistics and a broker directory
Proprietary Free Nov 2, 2026E Etherscan · Open & public data
Ethereum block explorer and multichain REST API exposing balances, transactions, token transfers, verified contract source, logs and gas data
Proprietary Freemium Paid Nov 2, 2026E European Commission — Eurostat · Open & public data
Statistical office of the European Union publishing harmonised EU and member-state data through the Data Browser, bulk downloads and SDMX/JSON APIs
Proprietary Free Nov 2, 2026FF Federal Reserve Bank of St. Louis · Market & fundamentals data
In-depth entry Free economic database from the St. Louis Fed aggregating hundreds of thousands of US and international time series, with graphs, vintages (ALFRED), an Excel add-in and a keyed JSON/XML API
Proprietary Free Nov 2, 2026G Dotsquare LLC (Geocodio) · GIS & mapping
Geocoding API and spreadsheet service for the US and Canada with batch processing and data appends such as census, districts and time zones
Proprietary Freemium Usage-based Nov 2, 2026GM Google (Chrome DevTools team) · GIS & mapping
Google's commercial suite of mapping APIs: maps and Street View embedding, Places, Geocoding, Routes and Distance Matrix, billed per request
Proprietary Usage-based Freemium Nov 2, 2026H HubSpot, Inc. · CRM & business operations
Cloud CRM platform with marketing, sales, service, content and operations hubs on a shared contact database, with a REST API and app marketplace
Proprietary Freemium Paid Nov 2, 2026ID International Monetary Fund · Open & public data
The IMF's statistical portal for World Economic Outlook, fiscal, balance-of-payments, reserves and price datasets with SDMX 2.1 and 3.0 APIs
Proprietary Free Nov 2, 2026IB Interactive Brokers LLC · Financial analysis & investing
In-depth entry Programmatic trading and market-data access to Interactive Brokers accounts through the TWS API, the REST-based Web API and FIX
Proprietary Usage-based Paid Local RedirectedKA Payward, Inc. (Kraken) · Financial analysis & investing
REST, WebSocket and FIX interfaces to the Kraken cryptocurrency exchange for market data, spot and derivatives trading and account management
Proprietary Free Usage-based Nov 2, 2026M Mapbox, Inc. · GIS & mapping
Commercial mapping platform with vector tiles, map styling, geocoding, directions and SDKs for web, iOS and Android, billed by usage
Proprietary Freemium Usage-based Nov 2, 2026R REALTOR.ca Canada Inc. (Canadian Real Estate Association) · Real estate valuation & property data
Canada's national consumer portal for MLS listings, operated by CREA's REALTOR.ca Canada Inc., with licensed data syndication through the DDF
Proprietary Free Nov 2, 2026RF Gouvernement du Québec — Ministère des Ressources naturelles et des Forêts · Real estate valuation & property data
Official online access to Québec's land register: index of immovables, registered deeds and rights by lot number, run by the provincial government
Proprietary Usage-based Nov 2, 2026RD Gouvernement du Québec — Ministère des Affaires municipales et de l'Habitation · Real estate valuation & property data
In-depth entry Québec's municipal property assessment rolls: per-unit values and building attributes published by municipalities and as open data by the MAMH
RD Gordian · Construction estimating & quantity surveying
In-depth entry Gordian's construction cost database of unit prices, assemblies and square-foot models with location factors, sold online and in annual books
Proprietary Paid Enterprise Nov 2, 2026SE U.S. Securities and Exchange Commission · SEC/EDGAR & corporate filings
In-depth entry The SEC's free public filing system: company and full-text search, bulk index and feed archives, and data.sec.gov JSON APIs for submissions and XBRL financial facts, subject to a fair-access rate policy
Proprietary Free Nov 2, 2026SC Statistics Canada (Government of Canada) · Open & public data
In-depth entry Canada's national statistical agency publishing census, economic and social data tables with open licensing and programmatic access via Web Data Service
Proprietary Free Nov 2, 2026WB World Bank Group · Open & public data
Free access to World Bank development indicators by country and year through a web portal, bulk downloads and a public REST API