{"uid":"cap_RazVSCCvbeA5WiQ6NgX47","slug":"api-x402node-dev-c1720e66","name":"Wikipedia Article Summary Lookup","description":"Get a Wikipedia article summary by exact title. Returns extract (lead paragraph), description, thumbnail, originalimage, content URLs (desktop/mobile/edit), and wikibase_item. Use ?title=Albert_Einstein plus optional and lang=en. Built for AI agents doing literature review, biography lookup, and grounded RAG. Accepts payment on Base or Solana — either network works.","url":"https://api.x402node.dev/knowledge/wikipedia-page","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["title"],"properties":{"lang":{"type":"string","description":"Lang (optional)"},"title":{"type":"string","description":"Title (required)"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_diqqrkPSW882USUl1rn1T","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a Wikipedia article's lead paragraph, description, thumbnail, images, and content URLs by exact page title","exampleAgentPrompt":"Can you pull the Wikipedia summary for 'Marie Curie' — I need the lead paragraph, description, and thumbnail to use as grounding context for my research assistant?","exampleUseCases":[{"title":"Biography lookup for historical figure","prompt":"Hey, can you grab the Wikipedia summary for 'Nikola Tesla'? I need the lead paragraph and description to give my agent some grounded background before it writes a biography section."},{"title":"Concept background for RAG pipeline","prompt":"I'm building a RAG-powered Q&A bot and need grounded context on 'Quantum entanglement' — can you pull the Wikipedia extract, thumbnail, and content URLs for that topic so I can feed it into my pipeline?"},{"title":"Entity metadata for knowledge base","prompt":"Can you look up 'World Health Organization' on Wikipedia and get me the description, wikibase item ID, and thumbnail? I want to enrich my knowledge base with verified metadata for this entity."}],"resultDescription":"Returns a JSON object containing the article extract (lead paragraph text), a short description, thumbnail image metadata, original image metadata, content URLs for desktop/mobile/edit views, and the wikibase_item identifier for the queried Wikipedia title.","failureModes":["Article title not found on Wikipedia returns a 404 or empty result","Ambiguous or redirected titles may return unexpected article content","Non-English language codes may yield no result if article doesn't exist in that language","Special characters or spaces in title not URL-encoded correctly may cause lookup failure","Payment failure (insufficient USDC balance) results in 402 error before query is executed"],"whenToPreferThis":"Use this endpoint when an AI agent needs grounded, encyclopedic context about a well-known entity, person, concept, or event by exact Wikipedia title — especially for RAG pipelines, biography lookups, or literature review tasks where a concise lead paragraph plus metadata is sufficient and real-time web scraping is not desired.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:07:20.706Z","isFirstParty":false}