Metals-API Blog: Comprehensive Precious Metals Pricing API

Real-time Gold (XAU) pricing is core to any commerce workflow that sells jewelry, coins, or bullion online, and it is especially critical if your catalog references localized, purity-specific SKUs such as Nagpur Gold 22k (NAGP-22k). In this guide, we will show how to use Metals-API to access real-time Gold prices and transform them into actionable values for an e-commerce platform, including how to derive consistent 22-karat INR prices for Nagpur, India. We will cover full-stack considerations—from authentication and endpoint selection to rate limiting, caching, OHLC analytics, and robust error handling—so you can deploy a production-grade integration that keeps your catalog, carts, and chec...