Use Case

Trading & Market Data

Price feeds, execution, and quantitative research.

29 providers 692 APIs 19 declared variants

Consuming real-time and historical market data — quotes, order books, fundamentals, and economic series — and acting on it through programmatic order entry, execution algorithms, and backtesting.

29 API providers on the APIs.io network offer trading & market data. The highest-rated are Polygon, Bloomberg, Factset, ExchangeRate-API, PeopleSoft.

Providers

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 4 Complete, well-documented, and agent-ready
Polygon Polygon (Polygon.io, rebranded as Massive in early 2026) provides real-time and historical market data APIs... 12 APIs 76.9 Bloomberg Bloomberg delivers business and markets news, data, analysis, and video to the world, featuring stories fro... 5 APIs 73.3 Factset FactSet creates flexible, open data and software solutions for tens of thousands of investment professional... 460 APIs 72.8 ExchangeRate-API ExchangeRate-API is a currency exchange rates API providing authoritative daily and intraday foreign exchan... 7 APIs 66.4
Strong 5 Solid coverage with minor gaps
PeopleSoft Collection of Oracle PeopleSoft Enterprise application APIs for Human Capital Management, Financial Managem... 48 APIs 63.8 Sportmonks Sportmonks is a Dutch sports data provider (Deventer, Netherlands) delivering developer-friendly REST APIs ... 13 APIs 61.9 Bloomberg AIM Bloomberg's Asset and Investment Manager (AIM) is a comprehensive buy-side solution offering global, multi-... 18 APIs 61.4 Fixer Fixer is a lightweight JSON API for real-time and historical foreign exchange rates and currency conversion... 5 APIs 61.3 Currencylayer Currencylayer is a real-time and historical foreign exchange rate JSON API delivering bank-grade exchange r... 5 APIs 60.7
Developing 6 Usable, with meaningful gaps to close
Ally Invest Ally Invest is an online brokerage platform offering commission-free self-directed trading of US stocks, ET... 11 APIs 55.4 Amazon FinSpace Amazon FinSpace is a data management and analytics service built specifically for the financial services in... 6 APIs 52.7 LBank LBank is a global cryptocurrency exchange providing REST and WebSocket APIs for spot trading, ETF/leveraged... 6 APIs 51.5 MEXC MEXC is a global cryptocurrency exchange providing REST and WebSocket APIs for spot trading, perpetual futu... 12 APIs 50.5 Binance Binance is the world's largest cryptocurrency exchange by trading volume, providing APIs for spot trading, ... 28 APIs 50.3 Sumsub Sumsub is a London-headquartered global verification platform offering an integrated full-cycle solution fo... 1 API 46.7
Thin 8 Limited public surface area
Aladdin Studio Aladdin Studio is BlackRock's developer platform enabling institutional investors, asset managers, and weal... 10 APIs 41.2 U.S. Bureau of Labor Statistics The U.S. Bureau of Labor Statistics (BLS) is the principal federal statistical agency responsible for measu... 2 APIs 40.9 SimCorp Dimension Investment management software solution providing APIs for portfolio management, accounting, risk managemen... 6 APIs 40.2 Tradeweb Tradeweb Markets is a leading global operator of electronic marketplaces for rates, credit, equities, and m... 5 APIs 40.2 BBVA BBVA is a multinational Spanish financial services group operating in over 30 countries. The BBVA API Marke... 4 APIs 36.3 BitMart BitMart is a global cryptocurrency exchange providing REST and WebSocket APIs for spot trading, perpetual f... 6 APIs 36.3 Bloomberg Intelligence Bloomberg Intelligence provides research, data, and analytics on companies, industries, credit, government,... 5 APIs 34.3 Bloomberg Professional Service Bloomberg Professional Service is a comprehensive financial data, news, and analytics platform serving inve... 9 APIs 31.7
Emerging 5 Early or largely undocumented
Bloomberg Query Language (BQL) Bloomberg Query Language (BQL) is a proprietary query language for accessing, filtering, aggregating, and c... 2 APIs 26.5 API-Sports API-Sports is a leading provider of real-time sports data and statistics APIs for businesses and developers... 4 APIs 25.6 API Football API-Football is a RESTful API providing comprehensive football (soccer) data covering 1,200+ leagues and cu... 1 API 25.3 Appalachian Regional Commission The Appalachian Regional Commission (ARC) is a federal-state partnership that invests in Appalachia's econo... 1 API 20.2 Susquehanna International Group (SIG) Susquehanna International Group (SIG) is a privately held global quantitative trading firm founded in 1987 ... 14.5
Minimal 1 Almost no public developer surface
Fox Corporation Fox Corporation (NASDAQ: FOXA, FOX) is a US media company spun out of 21st Century Fox in 2019 when the res... 9.9

What Providers Actually Declared

This use case is a canonical term. These are the free-text strings providers wrote in their own apis.yml that map onto it.

Algorithmic TradingAlgorithmic Trading Order ManagementBacktestingBacktesting and AnalyticsCaliente Sports Betting (Mexico)Data Science and Quantitative ResearchEconomic ResearchFinancial Data AnalyticsFinancial Data ExchangeHistorical BacktestingInternal Quantitative ResearchQuantitative ResearchQuantitative analysts building and backtesting factor-based investment strategiesReal-time market data distributionReal-time market data streamingSports BettingSports Betting PlatformsTrading platform price feedsiGaming and Sports Betting

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