MediaWiki API help
This is an auto-generated MediaWiki API documentation page.
Documentation and examples: https://www.mediawiki.org/wiki/API
list=allcategories (ac)
- This module requires read rights.
- This module can be used as a generator.
- Source: MediaWiki
- License: GPL-2.0-or-later
Enumerate all categories.
Parameters:
- acfrom
The category to start enumerating from.
- accontinue
When more results are available, use this to continue.
- acto
The category to stop enumerating at.
- acprefix
Search for all category titles that begin with this value.
- acdir
Direction to sort in.
- One of the following values: ascending, descending
- Default: ascending
- acmin
Only return categories with at least this many members.
- Type: integer
- acmax
Only return categories with at most this many members.
- Type: integer
- aclimit
How many categories to return.
- No more than 500 (5,000 for bots) allowed.
- Type: integer or max
- Default: 10
- acprop
Which properties to get:
- size
- Adds number of pages in the category.
- hidden
- Tags categories that are hidden with
__HIDDENCAT__.
- Values (separate with | or alternative): size, hidden
- Default: (empty)
Examples:
- List categories with information on the number of pages in each.
- api.php?action=query&list=allcategories&acprop=size [open in sandbox]
- Retrieve info about the category page itself for categories beginning List.
- api.php?action=query&generator=allcategories&gacprefix=List&prop=info [open in sandbox]
Debug data:
[SQLBagOStuff] MainObjectStash using store ReplicatedBagOStuff[objectcache] MainWANObjectCache using store EmptyBagOStuffIP: 3.149.27.125Start request GET /mediawiki/api.php?action=help&modules=query%2Ballcategories
HTTP HEADERS:
CONTENT-TYPE:
CONTENT-LENGTH: 0
USER-AGENT: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
HOST: zero-k.info
ACCEPT-ENCODING: gzip, br, zstd, deflate
ACCEPT: */*
CONNECTION: close[localisation] LocalisationCache: using store LCStoreDB[session] SessionManager using store SqlBagOStuff[DBReplication] Cannot use ChronologyProtector with EmptyBagOStuff[DBReplication] Wikimedia\Rdbms\LBFactory::getChronologyProtector: request info {
"IPAddress": "3.149.27.125",
"UserAgent": "Mozilla\/5.0 AppleWebKit\/537.36 (KHTML, like Gecko; compatible; ClaudeBot\/1.0; +claudebot@anthropic.com)",
"ChronologyProtection": false,
"ChronologyPositionIndex": 0,
"ChronologyClientId": false
}[DBConnection] Wikimedia\Rdbms\LoadBalancer::lazyLoadReplicationPositions: executed chronology callback.[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: connected to database 0 at 'localhost'.[SQLBagOStuff] Connection mysql object #127 (handle id #121) will be used for SqlBagOStuff[session] SessionBackend "5ghff2mct2003p4ot23pmc8gtua8e5om" is unsaved, marking dirty in constructor[session] SessionBackend "5ghff2mct2003p4ot23pmc8gtua8e5om" save: dataDirty=1 metaDirty=1 forcePersist=0[cookie] already deleted setcookie: "wikidb229_mw__session", "", "1715249392", "/", "", "", "1"[cookie] already deleted setcookie: "wikidb229_mw_UserID", "", "1715249392", "/", "", "", "1"[cookie] already deleted setcookie: "wikidb229_mw_Token", "", "1715249392", "/", "", "", "1"[cookie] already deleted setcookie: "forceHTTPS", "", "1715249392", "/", "", "", "1"[DBConnection] Wikimedia\Rdbms\LoadBalancer::getLocalConnection: connected to database 0 at 'localhost'.[MessageCache] MessageCache using store SqlBagOStuff[SQLBagOStuff] Connection mysql object #127 (handle id #121) will be used for SqlBagOStuff[SQLBagOStuff] Connection mysql object #127 (handle id #121) will be used for SqlBagOStuff[SQLBagOStuff] Connection mysql object #127 (handle id #121) will be used for SqlBagOStuff[SQLBagOStuff] Connection mysql object #127 (handle id #121) will be used for SqlBagOStuff[SQLBagOStuff] SqlBagOStuff::lock failed due to timeout for wikidb229-mw_:messages:en.[ContentHandler] Created handler for wikitext: WikitextContentHandler[SQLBagOStuff] Connection mysql object #127 (handle id #121) will be used for SqlBagOStuff[SQLBagOStuff] Connection mysql object #127 (handle id #121) will be used for SqlBagOStuff[MessageCache] MessageCache::load: Loading en... local cache is empty, global cache is expired/volatile, loading from databaseParserFactory: using preprocessor: Preprocessor_HashUnstubbing $wgLang on call of $wgLang::_unstub from ParserOptions->__construct