Metals-API Blog: Comprehensive Precious Metals Pricing API

Real-time Magnesium (MG) per troy ounce prices are essential if you’re repricing orders in-flight, auto-quoting B2B magnesium alloys, or backtesting intraday signals for lightweight-materials hedging. In this step-by-step Node.js guide for 2026, you’ll learn exactly how to retrieve live MG prices using the Metals-API, transform them into usable analytics, and make your system resilient to market hours, caching, and transient errors. We’ll focus on two endpoints you’ll use most often for production work—Latest and Time-Series—and show how to combine them into a robust pipeline for pricing and historical analysis. We’ll also cover units (troy ounces vs grams), base currencies, timestamps, and...