Finance (35)
- Alpaca- Commission-free stock, crypto, and options trading API with paper trading, real-time market data, and algorithmic trading support. Developers use Alpaca to build trading apps, embed investing features into services, and execute algorithmic strategies.SOC2FINRASECalpaca
- Alpaca Markets- Commission-free trading API and broker infrastructure for stocks, options, crypto, and tokenized assets. Provides real-time market data, paper trading, algorithmic trading, and multi-leg options strategies trusted by millions of traders and hundreds of fintech institutions including Kraken, eToro, and SBI Holdings.SOC2FINRASECalpaca
- Alpha Vantage- Enterprise-grade stock market data, forex, crypto, and technical indicators API officially licensed by NASDAQ. Provides real-time and historical financial data through cloud-based APIs, spreadsheets, and MCP servers for quantitative research, algorithmic trading, and AI/agentic applications.GDPR
- Charles Schwab- Major brokerage platform (formerly TD Ameritrade) offering API access for stocks, ETFs, options, bonds, and mutual funds with OAuth authentication. Serves self-directed investors and fintech developers seeking institutional-grade trading infrastructure.SECFINRASIPC
- Coinbase Advanced Trade- Coinbase Advanced Trade is a crypto and securities trading API offering spot trading, derivatives (futures/perpetuals), and stocks—all accessible through a single platform. Developers use it for building trading applications with institutional-grade security and US compliance.SOC2FinCENNYDFSSIPCFINRANFA
- E*TRADE API- An API platform that enables developers to build trading applications, access real-time market data, and integrate trading functionality.
- Eulerpool- A financial data API providing institutional-level market data including stocks, options, indices, currencies, futures, and ETFs with point-in-time fundamentals and survivorship-bias-free historical pricing.
- ExchangeRate.host- A free API providing real-time and historical currency exchange rates and forex data.
- Financial Modeling Prep- Financial Modeling Prep provides real-time quotes and 30+ years of historical financial data across 70,000+ securities, crypto, forex, and commodities. Developers use it for fundamental analysis, valuation modeling, backtesting, and comprehensive market data via 100+ API endpoints with WebSocket and bulk download support.GDPR
- Finnhub- Real-time and historical stock, forex, and crypto API with institutional-grade fundamental data, news, sentiment, and alternative data including earnings transcripts and ESG. Serves hobbyists to enterprises with affordable access to comprehensive market data, backed by major institutional users including Google, Coca-Cola, and the Federal Reserve.GDPR
- Fixer.io- A currency exchange rate API offering real-time and historical forex data for global markets.
- IEX Cloud- A financial data API provider that was shut down in August 2024 and acquired by Blue Sky Data, previously offering stock market data and financial information to developers.
- Interactive Brokers- Professional-grade multi-asset trading platform providing access to global markets across stocks, options, futures, forex, bonds, and prediction markets. Used by individual traders, advisors, hedge funds, and institutional clients for advanced trading strategies, algorithmic execution, and forecast trading contracts.SOC2FINRASECFCAMiFID
- Marketstack- A financial market data API that provides real-time and historical stock market data with global coverage.
- Nasdaq Data Link- A financial data platform providing alternative datasets, equities data, and economic indicators.
- ORATS- An options trading platform providing portfolio management, strategy backtesting, option scans, and trade execution capabilities.
- Openmarkets- A financial platform providing trading and market data APIs, back office data connectivity, and order management solutions for fintech companies in Australian and international markets.
- Option Alpha- A platform for automating stock and options trading strategies with backtesting and execution capabilities without requiring advanced coding.
- OptionsPlay- An options trading platform that simplifies options trading with interactive charts, analytics, and strategy comparison tools.
- Plaid- Financial data API for connecting bank accounts, verifying identity, and accessing transaction data. The standard for account linking in fintech apps — used by Venmo, Robinhood, and Coinbase.SOC2GDPRISO27001
- Polygon.io- Massive (formerly Polygon.io) is a real-time and historical market data API providing institutional-grade financial data across stocks, options, indices, forex, and crypto. Developers use it for building trading and fintech applications with WebSocket streaming, REST API, SQL query access, and flat file exports.SOC2GDPR
- Public.com- A commission-free brokerage offering an options trading API with read/write access, real-time data, and multi-leg options strategies for retail traders.
- Quandl- A data platform providing a wide variety of datasets including macroeconomic data, commodities, futures, and alternative data for research and quantitative analysis.
- QuantConnect- An algorithmic trading platform providing tools for quantitative analysis, backtesting, and live trading of multiple asset classes.
- QuickBooks Online- Intuit's cloud accounting platform that offers real-time data synchronization, sales tax automation, time tracking, and embedded payment processing for US small businesses.
- SignalStack- A universal API that securely connects users' brokerage and exchange accounts to applications, providing account data access and order routing capabilities across dozens of brokers.
- Stooq- A financial data provider offering free historical data downloads for stocks, ETFs, indices, crypto, forex, and commodities.
- Tastytrade- A retail options-focused brokerage offering an Open API designed by options traders with strong options chain support, futures, and crypto trading capabilities.
- Tiingo- A market data API providing real-time and historical data for equities, crypto, and forex.
- TradeStation- A trading platform and API provider offering access to equities, options, and futures trading with real-time market data, order execution, and account management capabilities.
- TradersPost- A platform that enables automated trading strategies execution across multiple asset classes and brokers.
- Tradier- REST API and white-label brokerage platform providing trading, market data, and account management for stocks, options, ETFs, and futures. Handles 1B+ API calls monthly and powers 100+ investor platforms. Tradier MCP Server enables developers to plug trading logic directly into LLMs without infrastructure overhead.FINRASECSIPC
- TradingView- An interactive charting platform and trading community that integrates with brokers' APIs to enable users to trade stocks, ETFs, and futures.
- Twelve Data- Delivers market data APIs with a credit-based pricing system, real-time data, and integrations with Google Sheets and Excel for various user skill levels.
- Xero- A cloud-based accounting software that provides invoice automation, bank reconciliation, payroll processing, and financial reporting for small and medium-sized businesses.