Base data is per sec from IBM X-Force Exchange, later on more endpoints will come.
IBM X-Force Exchange docs:https://api.xforce.ibmcloud.com/doc/#!/URL/get_url_url
IBM X-Force Exchange demo: https://exchange.xforce.ibmcloud.com/
Chrome plugin: https://chrome.google.com/webstore/detail/bsfilter/gbapogfnjbkdnbkpmhagckddbeemfdkd