{"uid":"cap_ID07aTeY5-EZIQUmMsLsS","slug":"apex-research-search-wikipedia-arxiv-hn-stack-overflow-more-e5ff78e5","name":"APEX Research Search (Wikipedia, arXiv, HN, Stack Overflow & More)","description":"Search Wikipedia, Wikivoyage, Wiktionary, arXiv, OpenAlex, Hacker News and Stack Overflow in one call. Research search in one call: Wikipedia, Wikivoyage (travel guides), Wiktionary (meanings, translations), PsychonautWiki (harm reduction: name a substance and the answer leads with dose ranges, duration and dangerous combinations), arXiv, OpenAlex (300M+ scholarly works, counted 30 Sep), Hacker News and Stack Overflow asked in parallel, answered in about a second, each hit with its source,…","url":"https://apexfaucet.xyz/api/x402/research-search?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["q"],"properties":{"q":{"type":"string","maxLength":200,"minLength":2,"description":"What to search for."},"limit":{"type":"string","pattern":"^[0-9]{1,2}$","description":"Results per source (default 5, max 10)."},"sources":{"type":"string","pattern":"^(wikipedia|wikidata|wikivoyage|wiktionary|psychonautwiki|opentargets|chembl|arxiv|openalex|hackernews|stackoverflow)(,(wikipedia|wikidata|wikivoyage|wiktionary|psychonautwiki|opentargets|chembl|arxiv|openalex|hackernews|stackoverflow))*$","description":"Comma list of sources to ask (default all): wikipedia, wikidata, wikivoyage, wiktionary, psychonautwiki, opentargets, chembl, arxiv, openalex, hackernews, stackoverflow."}}}}},"output":{"type":"object"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DLb7EipLXBhBcakNdoG20","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches Wikipedia, Wikivoyage, Wiktionary, arXiv, OpenAlex, Hacker News, and Stack Overflow in a single parallel call, returning ranked results tagged by source.","exampleAgentPrompt":"Search Wikipedia, arXiv, Hacker News, and Stack Overflow for 'transformer attention mechanisms' and give me up to 5 results per source.","exampleUseCases":[{"title":"Academic background research on a topic","prompt":"I'm writing about CRISPR gene editing — can you pull together what Wikipedia says, recent arXiv papers, and any relevant Hacker News or Stack Overflow discussions, all in one go?"},{"title":"Travel destination research","prompt":"I'm planning a trip to Kyoto — search Wikivoyage and Wikipedia for travel guides and things to do there, and give me 5 results from each."},{"title":"Programming concept deep-dive","prompt":"Can you search Stack Overflow, Hacker News, and Wikipedia for 'WebAssembly performance' so I can get both community discussion and encyclopedia background at once?"}],"resultDescription":"A structured response containing up to N results per requested source (Wikipedia, Wikivoyage, Wiktionary, arXiv, OpenAlex, Hacker News, Stack Overflow, etc.), each result tagged with its source name, title, URL, and a text snippet or abstract. Results from all sources are returned together in approximately one second.","failureModes":["Missing required 'q' parameter returns a validation error","Query shorter than 2 characters or longer than 200 characters is rejected","Invalid source name in 'sources' comma list causes a validation error","A specific upstream source (e.g. arXiv) may be temporarily unavailable, returning partial results","Limit value outside 1-10 range is rejected by pattern validation","Payment failure (x402) blocks the call entirely"],"whenToPreferThis":"Choose this endpoint when you need to gather information from multiple heterogeneous knowledge sources (encyclopedia, academic, travel, developer Q&A) in a single low-latency call rather than making separate API calls to each service. Ideal for research tasks where cross-source triangulation adds value, or when you want community discussion (HN, Stack Overflow) alongside authoritative references (Wikipedia, arXiv) without managing multiple integrations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:44:32.219Z","isFirstParty":false,"canonicalSlug":"apex-research-search-wikipedia-arxiv-hn-stack-overflow-more-e5ff78e5"}