Use the json-provider:
https://chart-data.bullionvault.com/prices/prices.json?&version=v2&chartType=CHART_POINTS&securityId=AGX&interval=3600&batch=Full&valuationSecurityId=EUR
$.seriesData.prices[*].priceTime
$.seriesData.prices[*].latestPrice
https://chart-data.bullionvault.com/prices/prices.json?&version=v2&chartType=CHART_POINTS&securityId=AGX&interval=3600&batch=Full&valuationSecurityId=EUR
$.latestPrice.timestamp
$.latestPrice.price
EDIT: at the end of the URLs is =EUR. This is changeable to CAD, USD or GBP.