Metals-API Blog: Comprehensive Precious Metals Pricing API

If your goal is to pull Ferro Silicon (often abbreviated “FeSi” or shown as FE-SI in some market data contexts) historical prices into a quant model, pricing engine, or procurement dashboard, Metals-API gives you a clean, scalable way to do it. This guide walks you through how to discover whether Ferro Silicon is available in the Metals-API Supported Symbols, how to retrieve historical prices with reproducible requests, and how to productionize the workflow so it’s robust to weekends, market holidays, and data edge cases. As we go, we’ll also show working requests using Gold (XAU) as a concrete example of the exact same API flow for historical data retrieval, because Gold is included in ever...