MediaWiki:Apihelp-query+imageinfo-param-urlwidth
If $2prop=url is set, a URL to an image scaled to this width will be returned. For performance reasons if this option is used, no more than $1 scaled images will be returned.
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If $2prop=url is set, a URL to an image scaled to this width will be returned. For performance reasons if this option is used, no more than $1 scaled images will be returned.