{"uid":"cap_rw8t-2K_pzs87ApkGgWi2","slug":"alfred-x402-wikipedia-search-acb4e169","name":"ALFRED x402 Wikipedia Search","description":"Self-hosted personal-assistant paid tools via Lightning. Uses x402-shaped protocol (L402 lineage): HTTP 402 with a Lightning invoice in the response body + WWW-Authenticate header, retry with X-Payment-Hash: <hex> once paid. Results cached per payment_hash so legitimate retries don't cost twice.","url":"https://x402.wallace.us/x402/wikipedia-search","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"q":{"type":"string"}}},"responseSchema":{"type":"object","additionalProperties":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_p_OHj2gm5K83V53VpBueD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","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 for a given query, paid per-call via Lightning/x402 protocol.","exampleAgentPrompt":"Search Wikipedia for 'quantum entanglement' and give me the key facts from the article.","exampleUseCases":[{"title":"Quick factual background lookup","prompt":"Can you search Wikipedia for 'Marie Curie' and give me a summary of her life and scientific contributions?"},{"title":"Current events context retrieval","prompt":"Look up 'Battle of Stalingrad' on Wikipedia — I need the main facts about when it happened, who was involved, and the outcome."},{"title":"Technical concept explanation","prompt":"Search Wikipedia for 'transformer neural network' and pull back whatever the article says about how it works."}],"resultDescription":"Returns Wikipedia search results and/or article content relevant to the query string, including article text, summaries, or structured encyclopedia data, cached per payment hash so retries after a successful payment don't incur an additional charge.","failureModes":["HTTP 402 returned on first call with Lightning invoice — must pay and retry with X-Payment-Hash header","Query string missing or empty — likely returns an error or empty results","No matching Wikipedia article found for obscure or misspelled query","Payment hash invalid or expired — payment not recognized","Service self-hosted and may have downtime or rate limits"],"whenToPreferThis":"Choose this endpoint when you need Wikipedia article content in a pay-per-use, agent-native context and are already using the x402/L402 Lightning payment protocol. Useful when you want cached, deduplicated billing (same payment hash won't be charged twice) and don't want to manage Wikipedia API authentication separately.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:36:00.619Z","isFirstParty":false}