{"items":[{"key":"price","description":"Returns: {name, price, unit, date, category, description}. Commodities: wti, brent, natural_gas, copper, aluminum, wheat, corn, coffee, cotton, sugar","streaming":false},{"key":"all","description":"Returns: {commodities: {wti: {name, price, unit, date}, brent: {...}, ...}, count, interval}. All 10 commodities in one call","streaming":false},{"key":"historical","description":"Returns: {commodity, interval, dataPoints, history: [{date, price}, ...]}. Up to 60 data points, daily/weekly/monthly intervals","streaming":false},{"key":"index","description":"Returns: {name, value, unit, date}. IMF Primary Commodity Price Index (global aggregate)","streaming":false},{"key":"analysis","description":"Returns: {current: {price, unit, date}, changes: {day7, day30, day90}, movingAverages: {ma7, ma30}, volatility: {daily, level}, signal: {vs7dma, vs30dma, trend}}","streaming":false}]}