Wikipedia / Article summary by title

The lead summary of one English Wikipedia article: title, description, extract (the first paragraph as plain text), extracthtml, wikibaseitem (the Wikidata id, e.g. Q937), thumbnail and original image, coordinates when the topic has a place, content_urls (desktop and mobile links) and timestamp. About 3 KB. title is the article title; spaces or underscores both work, redirects are followed (Einstein gives Albert Einstein). A title with no article answers not found (404) at $0. Text from English Wikipedia (wikipedia.org), CC BY-SA 4.0: when you show or reuse it, credit Wikipedia, link the article and say if you changed it; reused text stays CC BY-SA. Not affiliated with or endorsed by the Wikimedia Foundation. Free, no key.