{"uid":"cap_h7XSMb0BV7YuSQgKPeCKo","slug":"via-research-brief-buyer-side-agent-router-written-brief-7c1189bc","name":"VIA Research Brief — Buyer-Side Agent Router (Written Brief)","description":"VIA is a paid buyer-side router for AI agents and humans. Compare APIs, services, products and sourced research with x402 USDC payments on Base.","url":"https://via-router.floot.app/_api/research_brief_written?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"intent":{"type":"string","maxLength":500,"minLength":2,"description":"Plain-language request to route"},"market":{"enum":["auto","services","commerce","information","travel"],"type":"string"},"country":{"type":"string","pattern":"^[A-Z]{2}$"},"language":{"enum":["en","pt"],"type":"string"}}},"responseSchema":{"type":"json","example":{"paid":true,"intent":"Find a PDF text extractor","settlement":{"network":"eip155:8453","transaction":"0x..."},"viaTollUsd":0.001,"alternatives":[],"recommendation":{"title":"PDF Text Extractor","source":"Apify Store"}}},"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_p3xU-UkFhBr8rG15T97cg","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":"Generates a written research brief recommending the best API, service, product, or information source for a given plain-language intent, with payment via x402 USDC on Base.","exampleAgentPrompt":"I need a written research brief recommending the best PDF text extractor service — search across APIs and tools in the information market and give me a clear recommendation with alternatives.","exampleUseCases":[{"title":"Finding the best email delivery API","prompt":"Can you write me a research brief on which transactional email API I should use for my SaaS startup? I'm in the US and want the recommendation in English, looking specifically in the services market."},{"title":"Sourcing a travel booking tool for an agent","prompt":"I need a written brief recommending the best travel booking API for my AI travel agent — search in the travel market, for a US audience, and tell me which one to go with and why."},{"title":"Discovering top e-commerce product search tools","prompt":"Write me a research brief on the best product search and discovery tools for an e-commerce platform — focus on the commerce market, country US, in English."}],"resultDescription":"Returns a JSON object containing a written recommendation with a title and source, a list of up to three alternative options, a confirmation that payment was settled on Base (EIP-155:8453) with transaction hash, the toll amount in USD ($0.001), and a flag confirming the payment was processed.","failureModes":["Intent too vague or too short (minLength:2 not met) — returns validation error","Unsupported market enum value — returns 400 bad request","Invalid country code format (not ISO 3166-1 alpha-2) — returns validation error","Payment failure on Base network — transaction not settled, request not fulfilled","No strong recommendation found — alternatives array may be empty","Unsupported language requested — only 'en' and 'pt' accepted"],"whenToPreferThis":"Choose this endpoint when an AI agent or human needs a written, opinionated research brief — not just a list — recommending which API, service, or product to use for a specific task. It is best when the user wants a curated, sourced recommendation with alternatives rather than a raw search result. Prefer it over generic search when the goal is buyer-side decision-making with x402 micropayment settlement on Base, especially for agents that need to autonomously select tools or services.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:33:34.129Z","isFirstParty":false,"canonicalSlug":"via-research-brief-buyer-side-agent-router-written-brief-7c1189bc"}