DataCaptain – US Stock Market API

DataCaptain is a developer-first US stock market API built for fintech apps, traders, investors, and developers who need reliable, fast, and affordable market data. Unlike expensive enterprise data providers, DataCaptain offers a simple REST API with comprehensive historical stock & ETF data, technical indicators, and AI-powered insights—so you can build financial products faster without dealing with complex integrations. Key Features 📈 Historical US Stocks & ETF market data 📊 Built-in Technical Indicators (RSI, SMA, EMA, MACD & more) 🤖 AI-powered stock analysis and scoring ⚡ Fast REST APIs with simple API key authentication 📚 Interactive API documentation with ready-to-use examples 💰 Affordable pricing for developers, startups, and indie builders Why DataCaptain? No complicated financial data infrastructure Easy integration in minutes Reliable API performance Built specifically for developers Lower cost than traditional market data providers What You Can Build Stock market dashboards Investment & portfolio trackers Trading bots Backtesting platforms Financial analytics applications AI-powered investing tools Build financial applications faster with reliable market data instead of spending weeks collecting, cleaning, and maintaining stock datasets.