{"uid":"cap_cRpNsfX6ldqf9Aq3_AiqT","slug":"agent-search-evidence-1d2c9b0d","name":"Agent Search Evidence","description":"Paid multi-source search evidence card (cycle 218, x402 $0.01) - GET ?query=<TERMS> OR ?sample=1|2|3 OR POST application/json {query}. KEYLESS Wikipedia search API + OpenLibrary search API + Hacker News Algolia API -- no key, no account, no signup. Answers THE QUESTION A BUYER AGENT ALWAYS ASKS BEFORE SPENDING A TOKEN: what the published sources actually show about this, and how many INDEPENDENT sources agree. Returns per-source hit counts, the matched titles/snippets, cross-source AGREEMENT...","url":"https://6xrkjcfa3yrzvefcpvanurzou4.srv.us/api/agent-search-evidence?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/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_Q1nTykWyQbkERmsK67K2u","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":"Aggregates multi-source search evidence from Wikipedia, OpenLibrary, and Hacker News to show how many independent sources corroborate a query","exampleAgentPrompt":"Before I go any further, search across Wikipedia, OpenLibrary, and Hacker News for 'transformer architecture neural networks' and tell me how many independent sources actually cover it and what they say.","exampleUseCases":[{"title":"Fact-check before publishing content","prompt":"Before we publish this blog post, check Wikipedia, OpenLibrary, and Hacker News for 'mRNA vaccine mechanism' and tell me how many independent sources back it up and what the key findings are."},{"title":"Research credibility assessment","prompt":"I'm about to write a report on 'quantum computing cryptography' — can you pull evidence from multiple open sources and show me how many agree and what the top matching titles and snippets are?"},{"title":"Due diligence before AI agent decision","prompt":"Before spending any more compute on this, search for 'Solana proof of history consensus' across Wikipedia, OpenLibrary, and Hacker News and summarize how many sources independently confirm it and whether they agree."}],"resultDescription":"Returns a structured evidence card containing per-source hit counts from Wikipedia, OpenLibrary, and Hacker News; matched document titles and text snippets; and a cross-source agreement indicator showing how many independent sources corroborate the query terms.","failureModes":["Empty query string returns an error or sample response","Upstream source API (Wikipedia/OpenLibrary/Hacker News) downtime reduces available sources","Very obscure queries may return zero hits across all sources","Payment not fulfilled (x402) results in 402 response blocking the evidence card","Overly broad queries return too many low-relevance snippets"],"whenToPreferThis":"Choose this endpoint when an agent needs to verify a claim or topic against multiple independent open knowledge sources before making a decision or spending further resources. It is keyless and requires no signup, making it frictionless for autonomous agents. Prefer it over single-source lookup when cross-source agreement matters, or when you need a quick credibility signal from encyclopedic, book, and community sources simultaneously.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T19:04:26.854Z","isFirstParty":false,"canonicalSlug":"agent-search-evidence-1d2c9b0d"}