CommodityPriceAPI
CommodityPriceAPI provides a simple REST API for live and historical rates for 70+ commodities in a simple JSON format.
Commodity rates are revtrieved from various data sources and are delivered in 60 seconds, 10 minutes and hourly intervals. There are no complex queries, confusing authentication methods or long-term contracts.
Rates are available historically for all days going back upto 1st January, 1999.