Best Financial Data APIs for Claude

CommodityPriceAPI is a developer-centric REST API that provides both real-time and historical pricing information for over 170 commodities, which encompasses precious metals like gold and silver, energy resources such as WTI and Brent crude, natural gas, and various agricultural products. The price data is compiled from exchange-grade sources and updated every second, supporting more than 150 different currencies for quoting. The API features five straightforward endpoints that streamline the entire process: it offers the latest rates, historical data dating back to January 1990, time-series analytics, fluctuation calculations, and a reference for symbols, all secured with a single API key and delivered in a clean JSON format. Users can expect to integrate the API in under five minutes without requiring any SDK. Additionally, the platform includes a dedicated MCP server, which allows AI assistants like Claude and Cursor to access both live and historical commodity data seamlessly. Designed for use in fintech dashboards, trading applications, agri-tech solutions, and energy monitoring systems, it boasts an impressive uptime of 99.97% and an average response time of less than 80 milliseconds, ensuring reliability and efficiency for all users. The versatility of the API makes it an essential tool for developers looking to incorporate commodity pricing into their applications.

SiftingIO serves as a comprehensive financial market data API designed for developers, fintech teams, analysts, and researchers who are creating applications that require market insights. It offers real-time quotes and continuous updates, alongside historical OHLCV data and reference datasets related to U.S. stocks, forex, cryptocurrencies, commodities, and on-chain markets via both REST and WebSocket interfaces. In addition, users can access a variety of datasets that include company fundamentals, financial statements, SEC filings, economic events, market operating hours, and technical indicators. To facilitate development and research, SiftingIO provides SDKs for Go, Python, and TypeScript, along with interactive API documentation, tools for Excel and Google Sheets, downloadable data exports, and an MCP server. A free tier is available for each market, featuring usage limits, while paid plans are structured based on market type and service tier. Users should note that the coverage and permissible usage may differ by market, plan, and data licensing agreements, ensuring a tailored experience for various projects. This flexibility makes SiftingIO an appealing choice for a wide range of financial data requirements.

SecFeed offers a comprehensive hosted API that allows users to search and integrate SEC EDGAR data into various applications, research processes, and AI-enhanced tools. This service includes features for searching filings, accessing extracted sections from 10-K and 10-Q reports, obtaining XBRL financial statements, and tracking insider transactions via Forms 3, 4, and 5. Furthermore, it provides insights into institutional holdings with Form 13F data, ownership disclosures, and event information from Form 8-K. The API delivers structured records that are directly linked to the original filings and supports real-time filing updates and webhooks for immediate data access. Developers can utilize RESTful endpoints along with Python and Node.js clients, as well as an OpenAPI specification and a hosted Model Context Protocol server for seamless integration with AI applications. In addition to these features, SecFeed also presents federal contracting opportunities and award data, enabling searches associated with public-company tickers. This platform is tailored for developers, quantitative researchers, fintech innovators, and AI developers who require programmatic access to filings and essential public-sector information, ensuring they have the tools needed for efficient data analysis and application development. With its robust offerings, SecFeed stands out as a vital resource in the realm of financial data accessibility.