Best Financial Data APIs for Codex CLI

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.