Best Free Financial Data APIs of 2026 - Page 2

The Financial Data API provides a wide range of financial information, including end-of-day and intraday stock market data, company financial statements, insider and institutional trading data, and sustainability metrics. Offering over 20 years of historical data, the API supports more than 17,000 stocks, 20,000 funds, 2,000 ETFs, 13,000 OTC securities, and 200,000 derivatives. It’s an essential resource for financial analysts, portfolio managers, and investors looking for comprehensive and up-to-date market information.

FlashAlpha serves as a comprehensive options analytics API tailored for quantitative developers and systematic traders. Through a single API request, users receive real-time data on gamma exposure (GEX), volatility surfaces, dealer exposure, implied volatility rank, and all 15 Greeks for over 6,000 US equities and ETFs, with updates occurring every 15 seconds. Unlike traditional raw data providers, FlashAlpha streamlines the analytics process by pre-computing the entire layer, which significantly reduces the burden of data engineering. It stands out as the sole options analytics platform equipped with a native MCP server, enabling AI agents like Claude and Cursor to directly query live options data. A free tier is offered without requiring a credit card, and users can expect their first API call to be completed in under a minute. This efficient service enhances the decision-making capabilities of traders by providing essential options insights with remarkable speed and ease.

Many companies recognize the benefits of digitally optimizing their payments processes, but they often hesitate to fully embrace the necessary changes due to concerns over trust and flexibility with existing systems. Dwolla offers a modern API that simplifies how businesses pay and get paid via bank transfers. With a secure and API-first approach, Dwolla’s technology unlocks a broad range of account-to-account payment types and flows. Whether businesses are looking to enable same day or real time payment experiences, Dwolla’s configurable solution can be configured to to fit your business’ needs.

Lukka is a digital asset data and software company that provides enterprise-grade tools for crypto reporting, analytics, compliance, and financial operations. It is designed for institutions that need accurate, standardized, and auditable data across complex blockchain and crypto asset environments. The platform serves funds, fund service providers, traditional financial institutions, banks, crypto businesses, accounting firms, government agencies, and regulators. Lukka helps organizations streamline middle- and back-office operations by organizing crypto asset data for reporting, valuation, tax, NAV, and compliance workflows. Its product suite includes Enterprise Data Management SaaS, Reference Data, Pricing and Market Data, Benchmarks, Quantitative Risk and Analytics Data, and Blockchain Analytics and Compliance. These solutions help companies standardize more than one million crypto assets, access institutional pricing data, and investigate blockchain activity. Lukka’s infrastructure is built to support audit-ready processes and high data reliability for financial institutions. The company also emphasizes risk frameworks and trust standards through its Trust Center. By combining data quality, software, and blockchain intelligence, Lukka helps businesses manage digital assets with more confidence and operational control.

FinancialReports is an advanced financial database platform that helps professionals access and analyze over 2.7 million filings from top European companies. It offers a robust suite of tools, including real-time filing tracking, AI-driven analysis, and the ability to monitor insider trades and IPOs. Users can create personalized watchlists, calculate ROI, and gain a competitive edge in the financial markets. The platform is particularly useful for investors and financial analysts seeking detailed insights into market indices, stock exchanges, and corporate disclosures.