The following documentation is the output ofSpecial:ApiHelp/query+categorymembers,automatically generated by the pre-release version of MediaWiki that is running on this site (MediaWiki.org).
Sortkey to start listing from, as returned bycmprop=sortkey.Can only be used withcmsort=sortkey.
cmendhexsortkey
Sortkey to end listing at, as returned bycmprop=sortkey.Can only be used withcmsort=sortkey.
cmstartsortkeyprefix
Sortkey prefix to start listing from. Can only be used withcmsort=sortkey.Overridescmstarthexsortkey.
cmendsortkeyprefix
Sortkey prefix to end listingbefore(notat;if this value occurs it will not be included!). Can only be used with cmsort=sortkey. Overrides cmendhexsortkey.
{"api":{"query-continue":{"categorymembers":{"_cmcontinue":"subcat|44594e414d494353|10998823"}},"query":{"categorymembers":{"cm":[{"_pageid":"22688097","_ns":"0","_title":"Branches of physics"},{"_pageid":"3445246","_ns":"0","_title":"Glossary of classical physics"},{"_pageid":"24489","_ns":"0","_title":"Outline of physics"},...]}}}}
#!/usr/bin/python3"""get_category_items.pyMediaWiki API DemosDemo of `Categorymembers` module: List twenty items in a categoryMIT License"""importrequestsS=requests.Session()URL="https://en.wikipedia.org/w/api.php"PARAMS={"action":"query","cmtitle":"Category:Physics","cmlimit":"20","list":"categorymembers","format":"json"}R=S.get(url=URL,params=PARAMS)DATA=R.json()PAGES=DATA['query']['categorymembers']forpageinPAGES:print(page['title'])
<?php/*get_category_items.phpMediaWiki API DemosDemo of `Categorymembers` module: List twenty items in a categoryMIT License*/$endPoint="https://en.wikipedia.org/w/api.php";$params=["action"=>"query","list"=>"categorymembers","cmtitle"=>"Category:Physics","cmlimit"=>"20","format"=>"json"];$url=$endPoint."?".http_build_query($params);$ch=curl_init($url);curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);$output=curl_exec($ch);curl_close($ch);$result=json_decode($output,true);foreach($result["query"]["categorymembers"]as$pages){echo($pages["title"]."\n");}
/*get_category_items.jsMediaWiki API DemosDemo of `Categorymembers` module: List twenty items in a categoryMIT License*/varurl="https://en.wikipedia.org/w/api.php";varparams={action:"query",list:"categorymembers",cmtitle:"Category:Physics",cmlimit:"20",format:"json"};url=url+"?origin=*";Object.keys(params).forEach(function(key){url+="&"+key+"="+params[key];});fetch(url).then(function(response){returnresponse.json();}).then(function(response){varpages=response.query.categorymembers;for(varpageinpages){console.log(pages[page].title);}}).catch(function(error){console.log(error);});
/*get_category_items.jsMediaWiki API DemosDemo of `Categorymembers` module: List twenty items in a categoryMIT License*/varparams={action:'query',list:'categorymembers',cmtitle:'Category:Physics',cmlimit:'20',format:'json'},api=newmw.Api();api.get(params).done(function(data){varpages=data.query.categorymembers,page;for(pageinpages){console.log(pages[page].title);}});
Example 2: Get the ten articles most recently added to a category
{"api":{"query-continue":{"categorymembers":{"_cmcontinue":"Magnetic levitation|"}},"query":{"categorymembers":{"cm":[{"_pageid":"1653925","_ns":"100","_title":"Portal:Physics"},{"_pageid":"22939","_ns":"0","_title":"Physics"},{"_pageid":"3445246","_ns":"0","_title":"Glossary of classical physics"},...]}}}}
#!/usr/bin/python3"""get_recent_category_items.pyMediaWiki API DemosDemo of `Categorymembers` module: Get the ten articles most recently added to a categoryMIT License"""importrequestsS=requests.Session()URL="https://en.wikipedia.org/w/api.php"PARAMS={"cmdir":"desc","format":"json","list":"categorymembers","action":"query","cmtitle":"Category:Physics","cmsort":"timestamp"}R=S.get(url=URL,params=PARAMS)DATA=R.json()PAGES=DATA["query"]["categorymembers"]forpageinPAGES:print(page["title"])
<?php/*get_recent_category_items.phpMediaWiki API DemosDemo of `Categorymembers` module: Get the ten articles most recently added to a categoryMIT License*/$endPoint="https://en.wikipedia.org/w/api.php";$params=["action"=>"query","list"=>"categorymembers","cmtitle"=>"Category:Physics","cmsort"=>"timestamp","cmdir"=>"desc","format"=>"json"];$url=$endPoint."?".http_build_query($params);$ch=curl_init($url);curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);$output=curl_exec($ch);curl_close($ch);$result=json_decode($output,true);foreach($result["query"]["categorymembers"]as$page){echo($page["title"]."\n");}
/*get_recent_category_items.jsMediaWiki API DemosDemo of `Categorymembers` module: Get the ten articles most recently added to a categoryMIT License*/varurl="https://en.wikipedia.org/w/api.php";varparams={action:"query",list:"categorymembers",cmtitle:"Category:Physics",cmsort:"timestamp",cmdir:"desc",format:"json"};url=url+"?origin=*";Object.keys(params).forEach(function(key){url+="&"+key+"="+params[key];});fetch(url).then(function(response){returnresponse.json();}).then(function(response){varpages=response.query.categorymembers;for(varpageinpages){console.log(pages[page].title);}}).catch(function(error){console.log(error);});
/*get_recent_category_items.jsMediaWiki API DemosDemo of `Categorymembers` module: Get the ten articles most recently added to a categoryMIT License*/varparams={action:'query',list:'categorymembers',cmtitle:'Category:Physics',cmsort:'timestamp',cmdir:'desc',format:'json'},api=newmw.Api();api.get(params).done(function(data){varpages=data.query.categorymembers,page;for(pageinpages){console.log(pages[page].title);}});
{"api":{"query-continue":{"categorymembers":{"_cmcontinue":"subcat|57494b4950454449412050454f504c45|41491664"}},"query":{"categorymembers":{"cm":[{"_pageid":"1458692","_ns":"14","_title":"Category:Wikipedias by language"},{"_pageid":"22918730","_ns":"14","_title":"Category:Books about Wikipedia"},{"_pageid":"16957584","_ns":"14","_title":"Category:Critics of Wikipedia"},...]}}}}
The next subcategories (if there're more than 10) can be continued using thecmcontinueparameter from the response above.
#!/usr/bin/python3"""get_subcategories.pyMediaWiki API DemosDemo of `Categorymembers` module: Get ten subcategories of a categoryMIT License"""importrequestsS=requests.Session()URL="https://en.wikipedia.org/w/api.php"PARAMS={"action":"query","cmtitle":"Category:Wikipedia","cmtype":"subcat","list":"categorymembers","format":"json"}R=S.get(url=URL,params=PARAMS)DATA=R.json()PAGES=DATA["query"]["categorymembers"]forpageinPAGES:print(page["title"])
<?php/*get_subcategories.phpMediaWiki API DemosDemo of `Categorymembers` module: Get ten subcategories of a categoryMIT License*/$endPoint="https://en.wikipedia.org/w/api.php";$params=["action"=>"query","list"=>"categorymembers","cmtitle"=>"Category:Wikipedia","cmtype"=>"subcat","format"=>"json"];$url=$endPoint."?".http_build_query($params);$ch=curl_init($url);curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);$output=curl_exec($ch);curl_close($ch);$result=json_decode($output,true);foreach($result["query"]["categorymembers"]as$cat){echo($cat["title"]."\n");}
/*get_subcategories.jsMediaWiki API DemosDemo of `Categorymembers` module: Get ten subcategories of a categoryMIT License*/varurl="https://en.wikipedia.org/w/api.php";varparams={action:"query",list:"categorymembers",cmtitle:"Category:Wikipedia",cmtype:"subcat",format:"json"};url=url+"?origin=*";Object.keys(params).forEach(function(key){url+="&"+key+"="+params[key];});fetch(url).then(function(response){returnresponse.json();}).then(function(response){varcategory=response.query.categorymembers;for(varcatincategory){console.log(category[cat].title);}}).catch(function(error){console.log(error);});
/*get_subcategories.jsMediaWiki API DemosDemo of `Categorymembers` module: Get ten subcategories of a categoryMIT License*/varparams={action:'query',list:'categorymembers',cmtitle:'Category:Wikipedia',cmtype:'subcat',format:'json'},api=newmw.Api();api.get(params).done(function(data){varcategory=data.query.categorymembers,cat;for(catincategory){console.log(category[cat].title);}});
