VIA Research Brief — Buyer-Side Agent Router (Written Brief)

x402

VIA Research Brief — Buyer-Side Agent Router (Written Brief) is a paid API for AI agents from via-router.floot.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-10).

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.

Price / call$0.05

Seller volume →—

Success—

StatusUnknown

How this service works

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.

Output

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.

Example use cases

Finding the best email delivery API

“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.”

Sourcing a travel booking tool for an agent

“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.”

Discovering top e-commerce product search tools

“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.”

Technical details

Endpoint

POSThttps://via-router.floot.app/_api/research_brief_written?utm_source=zero.xyz

When to prefer

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.

Side effects

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

Input

Schema · Request body

Field	Type	Description
intent	string	Plain-language request to route
market	string
country	string
language	string

Output

Schema · Response

{
  "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"
    }
  }
}

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