Use Case

Trading & Market Data

Price feeds, execution, and quantitative research.

27 providers 252 APIs 17 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.

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

Providers

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

Exemplar 1 Complete, well-documented, and agent-ready
Polygon Polygon (Polygon.io, rebranded as Massive in early 2026) provides real-time and historical market data APIs... 7 APIs 70.1
Strong 6 Solid coverage with minor gaps
PeopleSoft Collection of Oracle PeopleSoft Enterprise application APIs for Human Capital Management, Financial Managem... 31 APIs 66.8 ExchangeRate-API ExchangeRate-API is a currency exchange rates API providing authoritative daily and intraday foreign exchan... 7 APIs 65.8 Factset FactSet creates flexible, open data and software solutions for tens of thousands of investment professional... 105 APIs 63.3 Sportmonks Sportmonks is a Dutch sports data provider (Deventer, Netherlands) delivering developer-friendly REST APIs ... 4 APIs 63.2 Amazon FinSpace Amazon FinSpace is a data management and analytics service built specifically for the financial services in... 1 API 62.3 Ally Invest Ally Invest is an online brokerage platform offering commission-free self-directed trading of US stocks, ET... 6 APIs 61.6
Developing 12 Usable, with meaningful gaps to close
Aladdin Studio Aladdin Studio is BlackRock's developer platform enabling institutional investors, asset managers, and weal... 4 APIs 58.4 Currencylayer Currencylayer is a real-time and historical foreign exchange rate JSON API delivering bank-grade exchange r... 1 API 58.4 Fixer Fixer is a lightweight JSON API for real-time and historical foreign exchange rates and currency conversion... 1 API 58.4 Bloomberg AIM Bloomberg's Asset and Investment Manager (AIM) is a comprehensive buy-side solution offering global, multi-... 4 APIs 58.2 Bloomberg Bloomberg delivers business and markets news, data, analysis, and video to the world, featuring stories fro... 5 APIs 56.1 U.S. Bureau of Labor Statistics The U.S. Bureau of Labor Statistics (BLS) is the principal federal statistical agency responsible for measu... 1 API 56.0 LBank LBank is a global cryptocurrency exchange providing REST and WebSocket APIs for spot trading, ETF/leveraged... 5 APIs 54.1 Binance Binance is the world's largest cryptocurrency exchange by trading volume, providing APIs for spot trading, ... 21 APIs 53.1 MEXC MEXC is a global cryptocurrency exchange providing REST and WebSocket APIs for spot trading, perpetual futu... 5 APIs 52.5 Sumsub Sumsub is a London-headquartered global verification platform offering an integrated full-cycle solution fo... 1 API 49.1 SimCorp Dimension Investment management software solution providing APIs for portfolio management, accounting, risk managemen... 6 APIs 47.7 Tradeweb Tradeweb Markets is a leading global operator of electronic marketplaces for rates, credit, equities, and m... 5 APIs 45.2
Thin 4 Limited public surface area
BBVA BBVA is a multinational Spanish financial services group operating in over 30 countries. The BBVA API Marke... 4 APIs 42.5 BitMart BitMart is a global cryptocurrency exchange providing REST and WebSocket APIs for spot trading, perpetual f... 6 APIs 38.2 Bloomberg Intelligence Bloomberg Intelligence provides research, data, and analytics on companies, industries, credit, government,... 5 APIs 37.6 Bloomberg Professional Service Bloomberg Professional Service is a comprehensive financial data, news, and analytics platform serving inve... 9 APIs 33.3
Emerging 4 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 28.5 API-Sports API-Sports is a leading provider of real-time sports data and statistics APIs for businesses and developers... 4 APIs 27.9 API Football API-Football is a RESTful API providing comprehensive football (soccer) data covering 1,200+ leagues and cu... 1 API 27.3 Appalachian Regional Commission The Appalachian Regional Commission (ARC) is a federal-state partnership that invests in Appalachia's econo... 1 API 23.9

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 AnalyticsData Science and Quantitative ResearchEconomic ResearchFinancial Data AnalyticsFinancial Data ExchangeHistorical BacktestingQuantitative 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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