{"uid":"cap_940976jwoMHl9Gbl7M7fy","slug":"web-search-answer-citations-b90822d8","name":"Web Search Answer + Citations","description":"Answer a question from the live web with citations, no LLM so nothing is hallucinated: Google's featured snippet / knowledge panel when there is one, plus the best-matching quoted passages from the top pages read in full, each with its URL, and related questions. Confidence high / medium / low. An Exa-answer / Perplexity-style call, with quotes you can check.","url":"https://agent-search.centorprat.workers.dev/answer?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"time":{"type":"string","description":"freshness: hour, day, week, month or year (optional)"},"query":{"type":"string","description":"What to search for"},"country":{"type":"string","description":"2-letter country the results are for: us, gb, de, es, fr, in, br, ... (default us)"},"private":{"type":"boolean","description":"true = the query is not logged or cached (default false)"},"excludeDomains":{"type":"array","items":{"type":"string"},"description":"never these domains"},"includeDomains":{"type":"array","items":{"type":"string"},"description":"only these domains"}}},"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_4fxSDQkTHYgiNslH1mJGp","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":"Answers a natural language question using live web data, returning quoted passages with source URLs, a confidence level, and related questions — no LLM hallucination.","exampleAgentPrompt":"Search the live web and give me a cited answer to: 'What is the current corporate tax rate in Germany?' — include quoted passages from the top pages with their URLs and tell me how confident the answer is.","exampleUseCases":[{"title":"Fact-check a claim before publishing","prompt":"Before I publish this article, can you search the live web and find cited quotes confirming or denying that 'the EU banned single-use plastics in 2021'? Show me the exact passages with source URLs and your confidence level."},{"title":"Real-time product research for a buyer","prompt":"What are the most common complaints about the Sony WH-1000XM5 headphones? Search the web, pull quoted passages from review pages with their URLs, and tell me how confident you are in the answer."},{"title":"Competitive intelligence with sources","prompt":"Find out what OpenAI's current API pricing is for GPT-4o — search the live web, give me quoted passages directly from their pricing page and any recent coverage, include the URLs, and let me know the confidence level."}],"resultDescription":"Returns a structured answer object containing: a direct answer (Google featured snippet or knowledge panel if available), quoted passages extracted from the top pages read in full (each with its source URL), a confidence rating (high / medium / low), and a list of related questions. No LLM-generated prose — all content is sourced verbatim from live web pages.","failureModes":["Query returns no featured snippet or matching passages — answer may be empty or low confidence","Domain restrictions (includeDomains/excludeDomains) too narrow, yielding no usable results","Freshness filter (e.g. 'hour') too strict for the topic, resulting in no recent matching pages","Ambiguous query phrasing leads to off-topic results and low confidence","Network or upstream Google Search outage causes 5xx error","Payment not settled via x402 protocol returns 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when you need a factual, verifiable answer from the live web with zero hallucination risk — especially when citations and quoted passages matter (fact-checking, journalism, compliance). Prefer it over raw search endpoints when you want a synthesized answer, not just a list of links. Prefer it over LLM-based answer endpoints (Perplexity, Exa Answers) when you need verbatim quoted evidence you can audit. Use instead of the sibling Web Research endpoint when you want a single direct answer rather than full-page markdown from multiple sources.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T12:33:42.883Z","isFirstParty":false,"canonicalSlug":"web-search-answer-citations-b90822d8"}