MediaWiki:Apihelp-query+pageviews-description/en
Shows per-page pageview data (the number of daily pageviews for each of the last $1days days). The result format is page title (with underscores) => date (Ymd) => count.
Shows per-page pageview data (the number of daily pageviews for each of the last $1days days). The result format is page title (with underscores) => date (Ymd) => count.