Wikipedia
FreeLiveLast verified 24 Sept 2026
Full-text article content, search, metadata and page history from Wikipedia and other wikis.
Example request
curl -s 'https://en.wikipedia.org/w/api.php?action=query&titles=Earth&prop=extracts&exintro&format=json'
Free tier, in plain English
Reads are free and keyless with no published cap, just an etiquette request to be considerate of load.
Alternatives in Encyclopedic
Get Started with Web3Bilingual Web3 lesson index, glossary lookups, search, and role-based learning paths, with source citations.FreeNumbers API (Math.Tools)Answers number-theory questions (prime, palindrome, factors), converts bases and spells numbers out.PaidWikidataStructured facts and relationships about people, places and concepts from Wikimedia's public knowledge base.FreeWolframAlphaComputational answer engine returning direct answers, data, and visualizations for math and factual queries.Freemium