Use Case

Trading & Market Data

Price feeds, execution, and quantitative research.

27 providers 277 APIs 18 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 Factset, Massive (formerly Polygon.io), Bloomberg, Sportmonks, Currencylayer.

Providers

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

Exemplar 2 Complete, well-documented, and agent-ready
FactsetFactSet creates flexible, open data and software solutions for tens of thousands of investment professional...142 APIs67.9Massive (formerly Polygon.io)Polygon (Polygon.io, rebranded as Massive in early 2026) provides real-time and historical market data APIs...7 APIs67.2
Strong 5 Solid coverage with minor gaps
BloombergBloomberg delivers business and markets news, data, analysis, and video to the world, featuring stories fro...1 API61.1SportmonksSportmonks is a Dutch sports data provider (Deventer, Netherlands) delivering developer-friendly REST APIs ...1 API59.9CurrencylayerCurrencylayer is a real-time and historical foreign exchange rate JSON API delivering bank-grade exchange r...1 API57.6ExchangeRate-APIExchangeRate-API is a currency exchange rates API providing authoritative daily and intraday foreign exchan...4 APIs57.0FixerFixer is a lightweight JSON API for real-time and historical foreign exchange rates and currency conversion...1 API54.8
Developing 8 Usable, with meaningful gaps to close
Ally InvestAlly Invest is an online brokerage platform offering commission-free self-directed trading of US stocks, ET...1 API50.3SumsubSumsub is a London-headquartered global verification platform offering an integrated full-cycle solution fo...1 API50.2PeopleSoftCollection of Oracle PeopleSoft Enterprise application APIs for Human Capital Management, Financial Managem...21 APIs50.1Bloomberg AIMBloomberg's Asset and Investment Manager (AIM) is a comprehensive buy-side solution offering global, multi-...3 APIs49.7Amazon FinSpaceAmazon FinSpace is a data management and analytics service built specifically for the financial services in...6 APIs47.8MEXCMEXC is a global cryptocurrency exchange providing REST and WebSocket APIs for spot trading, perpetual futu...2 APIs44.4LBankLBank is a global cryptocurrency exchange providing REST and WebSocket APIs for spot trading, ETF/leveraged...3 APIs43.9BinanceBinance is the world's largest cryptocurrency exchange by trading volume, providing APIs for spot trading, ...19 APIs42.4
Thin 9 Limited public surface area
API FootballAPI-Football is a RESTful API providing comprehensive football (soccer) data covering 1,200+ leagues and cu...1 API38.2API-SportsAPI-Sports is a sports-data provider selling twelve independent read-only REST APIs — one per sport — cover...12 APIs37.3Aladdin StudioAladdin Studio is BlackRock's developer platform enabling institutional investors, asset managers, and weal...10 APIs32.6SimCorp DimensionSimCorp Dimension is the investment management system at the core of SimCorp One, the front-to-back platfor...3 APIs32.1Bloomberg Professional ServiceBloomberg Professional Service is a comprehensive financial data, news, and analytics platform serving inve...9 APIs31.5BBVABBVA is a multinational Spanish financial services group operating in over 30 countries. The BBVA API Marke...4 APIs28.6Appalachian Regional CommissionThe Appalachian Regional Commission (ARC) is a federal-state partnership that invests in Appalachia's econo...7 APIs28.3Bloomberg IntelligenceBloomberg Intelligence provides research, data, and analytics on companies, industries, credit, government,...5 APIs28.2BitMartBitMart is a global cryptocurrency exchange providing REST and WebSocket APIs for spot trading, perpetual f...6 APIs28.0
Emerging 2 Early or largely undocumented
TradewebTradeweb Markets is a leading global operator of electronic marketplaces for rates, credit, equities, and m...5 APIs20.0Bloomberg Query Language (BQL)Bloomberg Query Language (BQL) is a proprietary query language for accessing, filtering, aggregating, and c...2 APIs19.1
Minimal 1 Almost no public developer surface
Susquehanna International Group (SIG)Susquehanna International Group (SIG) is a privately held global quantitative trading firm founded in 1987 ...4.4

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 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

Scroll for all 18

Work with this as data

Every use case here is available over the APIs.io API and to AI agents over MCP. Use Cases is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for use cases

3 MCP tools reach this
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
Search the catalog 
curl "https://apis.io/api/v1/search?q=trading-market-data&limit=10"
Everything under a tag 
curl "https://apis.io/api/v1/tags/trading-market-data"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.