{"uid":"cap_CFxBlmAqu2KMBtBoBUHLa","slug":"onchainexpat-wiki-search-api-0d949add","name":"OnchainExpat Wiki Search API","description":"Pay-per-request AI, crypto, proxy, and utility APIs using x402 protocol","url":"https://x402.onchainexpat.com/api/x402-tools/wiki/search","method":"POST","headers":{},"bodySchema":{"type":"object","required":["query"],"properties":{"limit":{"type":"integer","description":"Max results (default 10, max 50)"},"query":{"type":"string","description":"Wikipedia search query. Alias: 'q'"},"language":{"type":"string","description":"Wikipedia language code (default 'en')"}}},"responseSchema":{"type":"object","properties":{"query":{"type":"string"},"cached":{"type":"boolean"},"results":{"type":"array"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FcKngDjBDgKtfpHx6OZm7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches Wikipedia and returns relevant article content or summaries for a given query","exampleAgentPrompt":"Search Wikipedia for 'quantum entanglement' and give me a summary of what it is.","exampleUseCases":[{"title":"Real-time fact checking for content","prompt":"I'm writing an article about renewable energy. Can you search Wikipedia for information about solar power and wind energy to make sure I'm getting the facts right?"},{"title":"Background research for customer support","prompt":"A customer asked me about the history of blockchain technology. Search Wikipedia for that and give me a brief overview so I can explain it to them properly."},{"title":"Educational content generation for students","prompt":"Search Wikipedia for information about photosynthesis and summarize the key processes involved so I can help explain it to students learning biology."}],"resultDescription":"Returns structured JSON with Wikipedia search results including article titles, summaries, URLs, and relevant metadata for the queried topic.","failureModes":["No results found for obscure or misspelled queries","Payment failure if USDC balance is insufficient for $0.01 per call","Query too vague returns unrelated articles","Rate limiting or timeout if Wikipedia upstream is slow","Empty response body if query parameter is missing"],"whenToPreferThis":"Choose this endpoint when you need pay-per-use Wikipedia search without managing your own Wikipedia API integration, especially in x402-enabled micropayment workflows where per-call billing is preferred over subscription models.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:59:28.324Z","isFirstParty":false}