Financial Data API

Beyond standard quotes and fundamentals, the API provides specialized data sets including full options chains for US equities with 61 expirations as shown for NVIDIA, corporate actions such as stock splits and dividends, short interest figures with days-to-cover and Reg SHO threshold status, and insider transactions from SEC Form 4 filings. The news feed aggregates market commentary de-duplicated across sources. A standout capability is the natural language query feature: users can ask questions in plain English, such as 'How fast is Nvidia's data-center revenue growing?' and receive a cited answer derived from the underlying data. This makes complex financial data accessible to non-technical stakeholders. The API also supports CFTC Commitments of Traders data for commodities like crude oil and gold futures.

The Financial Data API operates as a simple RESTful service that returns JSON responses. Users can start with zero setup by using the 'No API key' tier, which allows 60 requests per minute. For higher volumes, a free API key unlocks 500 requests per minute. Enterprise users can contact the team for custom rate limits. Each endpoint is designed to be intuitive – for example, to get a reconciled NVDA quote, a single call merges Yahoo, CNBC, and Barchart data. The API handles all deduplication and normalization server-side. Documentation likely details the 225 routes, each with required and optional parameters. The data is delivered with low latency, suitable for real-time applications. Users can also access historical data for backtesting and analysis. The platform emphasizes transparency by offering free access without credit card or lengthy sign-up.

Concrete use cases include a developer building a stock screener who uses the API to fetch real-time quotes, fundamentals, and short interest for thousands of stocks in a single call, reducing integration time from weeks to hours. A quantitative researcher can pull Apple's annual financial statements back to 2001 for long-term analysis. A trader monitoring NVIDIA options can access the full chain with implied volatility and open interest to identify mispriced contracts. An investor tracking GameStop can pull short interest and days-to-cover to gauge squeeze potential. A portfolio manager can retrieve S&P 500 constituents with sector exposures for rebalancing. A compliance officer can read Microsoft insider sales directly from SEC filings. Outcomes are faster development cycles, more accurate data, and deeper market insights without managing multiple vendor relationships.

Target users include software developers, quantitative analysts, financial data scientists, traders, portfolio managers, compliance officers, and fintech startups. The API is platform-agnostic, working with any language that supports HTTP requests. Pricing starts at free: no API key for 60 rpm, and a free key for 500 rpm, with enterprise options for higher limits. This tiering makes it accessible for hobbyists and startups while scalable for institutional use. The API's 26 sources, 225 routes, and 100k+ instruments offer a comprehensive solution for anyone needing financial market data. In summary, the Financial Data API provides a cost-effective, reliable, and consolidated data feed that simplifies financial data integration, allowing users to focus on analysis and innovation rather than data plumbing.