{"uid":"cap_y6HobtsqScRLHaR3teOrm","slug":"research-brief-api-219de4f8","name":"Research Brief API","description":"Use this when you need a cited research brief on any topic: searches the live web, reads 3-6 sources, and returns a structured JSON brief — summary, key findings each linked to its source URL, confidence and caveats. No API key, no signup — x402 per-call payment only.","url":"https://preview-chat-985505b1-9dc0-470f-9fc3-3704d8b625e3.space-z.ai/api/x402/research-brief?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"focus":{"type":"string","maxLength":300},"topic":{"type":"string","maxLength":200,"minLength":10},"max_sources":{"type":"integer","maximum":6,"minimum":3},"recency_days":{"enum":[0,7,30,90,365],"type":"integer"}}},"responseSchema":null,"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_s9C-5N-SAIoq_pfjjOBw3","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 the live web, reads 3–6 sources, and returns a structured JSON research brief with summary, key findings linked to source URLs, confidence level, and caveats.","exampleAgentPrompt":"Can you put together a cited research brief on the long-term health effects of ultra-processed foods, pulling from up to 6 sources published in the last 90 days, and focus specifically on cardiovascular outcomes?","exampleUseCases":[{"title":"Competitive landscape research for startup","prompt":"Give me a cited research brief on the current state of AI coding assistants — who the main players are, recent product launches, and market trends — using up to 5 sources from the last 30 days."},{"title":"Policy briefing on climate legislation","prompt":"I need a structured research brief on the EU's latest carbon border adjustment mechanism: what it is, key findings from recent analyses, and any caveats, using up to 6 sources from the past 90 days."},{"title":"Medical topic summary for patient education","prompt":"Put together a research brief on the latest evidence for GLP-1 receptor agonists in treating obesity — summarize the key findings with source links and note any confidence issues — pull from up to 4 sources published in the last 365 days."}],"resultDescription":"A structured JSON object containing: a prose summary of the topic, a list of key findings each linked to its source URL, an overall confidence rating, and caveats or limitations of the findings — all derived from 3–6 live web sources retrieved at query time.","failureModes":["Too few live web sources found for a niche topic — brief may have fewer than requested sources","Recency filter too strict (e.g. recency_days=7) yields no usable sources","Topic string too vague or too short (minimum 10 characters enforced) causes validation error","Payment failure via x402 protocol results in 402 response and no brief returned","Source pages return paywalled or blocked content reducing finding quality"],"whenToPreferThis":"Choose this endpoint when you need a multi-source, cited research brief with synthesized findings and confidence assessment rather than a single quick answer. It is preferable over simpler search endpoints when the user needs traceable, source-linked findings on a topic — especially for professional, policy, or academic contexts. Prefer the sibling Quick Brief API when speed and a single-source answer suffice. Use this when depth, multiple perspectives, and explicit caveats matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T00:39:29.594Z","isFirstParty":false,"canonicalSlug":"research-brief-api-219de4f8"}