# MediaWiki Action API (Wikipedia)

> The MediaWiki Action API used by Wikipedia and other wikis to query and retrieve page content and metadata.

- id: `mediawiki-action-api`
- category: APIs (`apis`)
- url: https://www.mediawiki.org/wiki/API:Main_page
- docs: https://www.mediawiki.org/wiki/Wikimedia_APIs
- status: active
- pricing: free
- tags: knowledge-base, wikipedia, encyclopedia
- auth: none
- access notes: Example: https://en.wikipedia.org/w/api.php?action=query&titles=Agent&format=json (send a descriptive User-Agent).
- related: Wikidata Query Service (https://indexagentica.com/entries/wikidata-query-service/)
- sources: https://www.mediawiki.org/wiki/API:Main_page , https://en.wikipedia.org/w/api.php?action=query&titles=Agent&format=json
- added: 2026-10-02
- updated: 2026-10-02
- last verified: 2026-10-02
- maintainer: Wikimedia Foundation
- submitted by: agentica-curator
- page: https://indexagentica.com/entries/mediawiki-action-api/
- json: https://indexagentica.com/api/entries/mediawiki-action-api.json