Financial Markets & Trading APIs

Browse curated APIs with real-time link verification, pricing history, and community feedback. Filter by free tiers or explore adjacent categories.

Financial Modeling Prep (FMP) API
Financial Markets & TradingFinancial Modeling Prep (FMP) API

Financial Modeling Prep (FMP) API

Real-time Price, Financial Statements (Income, Balance Sheet), Company Valuation REST API Target Users: Financial Modeling Apps seeking structured, standardized financial statement data.

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Real-time Market Data, Fundamentals, Estimates, Transcripts
Financial Markets & TradingFinnhub

Real-time Market Data, Fundamentals, Estimates, Transcripts

The API is organized around REST. Our API has predictable resource-oriented URLs, accepts form-encoded request bodies, returns JSON-encoded responses, and uses standard HTTP response codes, authentica

Financial Markets & TradingFinanceTrading+1
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Real-time & Historical Stock, Forex, Crypto Data, Fundamentals
Financial Markets & TradingMassive (original Polygon.io)

Real-time & Historical Stock, Forex, Crypto Data, Fundamentals

REST API & WebSocket Target Users: Data Analytics Platforms, HFT, Applications needing Low Latency, High Reliability Data.

Financial Markets & TradingFinanceTrading+1
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Stocks, ETFs, Options Trading, Portfolio Tracking
Financial Markets & TradingPublic.com API

Stocks, ETFs, Options Trading, Portfolio Tracking

REST API Target Users: Social Investment Platforms, Zero-commission Trading App Developers.

Financial Markets & TradingFinanceTrading+1
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Interactive Brokers (IBKR) API
Financial Markets & TradingInteractive Brokers (IBKR) API

Interactive Brokers (IBKR) API

Trading (Stocks, Options, Futures, Forex), Account Management, Reporting Web API, FIX API, TWS API Target Users: Professional traders, quant funds, institutions needing global markets and multi-asset classes.

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Trading (Stocks, Options, ETFs), Market Data, Account Mgmt
Financial Markets & TradingTrader API

Trading (Stocks, Options, ETFs), Market Data, Account Mgmt

REST API Target Users: Focuses on Developers and Investment Platforms, Providing Complete Brokerage Service Interface.

Financial Markets & TradingFinanceTrading+1
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Algo Trading, Commission-free Stocks/Crypto, BaaS
Financial Markets & TradingAlpaca API

Algo Trading, Commission-free Stocks/Crypto, BaaS

REST API & WebSocket Target Users: Fintech Apps, Robo-advisors, Algo Trading Developers.

Financial Markets & TradingFinanceTrading+1
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Trading (Stocks, Options, Futures, Forex), Account Mgmt, Reports
Financial Markets & TradingInteractive Brokers (IBKR) API

Trading (Stocks, Options, Futures, Forex), Account Mgmt, Reports

Web API, FIX API, TWS API Target Users: Professional Traders, Quant Funds, Institutions needing Global Markets and Multi-asset Classes.

Financial Markets & TradingFinanceTrading+1
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Public.com API
Financial Markets & TradingPublic.com API

Public.com API

Stock, ETF, Option Trading, Portfolio Tracking REST API Target Users: Social Investment Platforms, Zero-commission Trading App Developers.

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EOD Historical Data (EODHD) API
Financial Markets & TradingEOD Historical Data (EODHD) API

EOD Historical Data (EODHD) API

End-of-Day and Intraday Data, Fundamental Analysis, Dividends, Earnings REST API Target Users: Backtesting, risk analysis, applications needing reliable historical data.

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Real-time/Historical Stocks, Forex, Crypto, Indicators, Tech Analysis
Financial Markets & TradingAlpha Vantage

Real-time/Historical Stocks, Forex, Crypto, Indicators, Tech Analysis

Our stock APIs © are grouped into eight categories: (1) Core Time Series Stock Data APIs, (2) US Options Data APIs, (3) Alpha Intelligence™, (4) Fundamental Data, (5) Physical and Crypto Currencies (e

Financial Markets & TradingFinanceTrading+1
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Real-time Prices, Financial Statements, Company Valuation
Financial Markets & TradingFinancial Modeling Prep (FMP) API

Real-time Prices, Financial Statements, Company Valuation

REST API Target Users: Financial Modeling Apps seeking structured, standardized financial statement data.

Financial Markets & TradingFinanceTrading+1
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NASDAQ Data Link (formerly Quandl)
Financial Markets & TradingNASDAQ Data Link (formerly Quandl)

NASDAQ Data Link (formerly Quandl)

Extensive Alternative Data and Traditional Financial Datasets REST API Target Users: Professional researchers, quant strategy developers, applications needing diverse and specialized datasets.

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Finnhub
Financial Markets & TradingFinnhub

Finnhub

Real-time Market Data, Company Fundamentals, Analyst Estimates, Earnings Call Transcripts REST API & WebSocket Target Users: Applications needing deep fundamental data and alternative data.

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Alpha Vantage
Financial Markets & TradingAlpha Vantage

Alpha Vantage

Real-time & Historical Stock, Forex, Crypto, Economic Indicators, Technical Analysis REST API Target Users: Junior developers, academic research, applications needing wide data coverage (provides free tier).

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Massive (original Polygon.io)
Financial Markets & TradingMassive (original Polygon.io)

Massive (original Polygon.io)

Real-time & Historical Stock, Forex, Crypto Data, Company Fundamentals REST API & WebSocket Target Users: Data analytics platforms, HFT, applications needing low latency, high reliability data.

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Trader API
Financial Markets & TradingTrader API

Trader API

Trading (Stocks, Options, ETFs), Market Data, Account Management REST API Target Users: Focuses on developers and investment platforms, providing complete brokerage service interface.

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Alpaca API
Financial Markets & TradingAlpaca API

Alpaca API

Algo Trading, Commission-free Stock & Crypto Trading, Brokerage as a Service (BaaS) REST API & WebSocket Target Users: Fintech apps, Robo-advisors, Algo trading developers.

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EOD & Intraday Data, Fundamentals, Dividends, Earnings
Financial Markets & TradingEOD Historical Data (EODHD) API

EOD & Intraday Data, Fundamentals, Dividends, Earnings

REST API Target Users: Backtesting, Risk Analysis, Applications needing Reliable Historical Data.

Financial Markets & TradingFinanceTrading+1
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Extensive Alternative Data & Traditional Financial Datasets
Financial Markets & TradingNASDAQ Data Link (formerly Quandl)

Extensive Alternative Data & Traditional Financial Datasets

REST API Target Users: Professional Researchers, Quant Strategy Developers, Applications needing diverse and specialized datasets.

Financial Markets & TradingFinanceTrading+4
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