Like https://www.mediawiki.org/api/rest_v1/page/html/Content_translation/cxserver/Setup ?
( Trying to get this page's HTML version and get a error.)
{"type":"https://mediawiki.org/wiki/HyperSwitch/errors/bad_request","title":"Invalid parameters","method":"get","detail":"data.params.revision should be an integer","uri":"/www.mediawiki.org/v1/page/html/Content_translation/cxserver/Setup"}