{"uid":"cap_IYpRcYGg3bre0nt04dcoo","slug":"via-router-one-call-buyer-side-agent-router-4aa5453f","name":"VIA Router — One-Call Buyer-Side Agent Router","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/one_call?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"task":{"type":"string","maxLength":1000,"minLength":2,"description":"Plain-language task VIA should find and execute through a paid external service"}}},"responseSchema":{"type":"json","example":{"paid":true,"task":"find a cheap email validation API","result":{},"product":"VIA One-Call","totalUsd":0.11,"settlement":{"network":"eip155:8453","transaction":"0x..."},"viaTollUsd":0.1,"upstreamUsd":0.01}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.11","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":"$0.11/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.11","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.11","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_c2HhbcLfL4kKoU-t4lkdX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.11","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Routes a plain-language task to the best-matching paid external API or service, executes the call, and returns the result — all in a single x402 USDC payment on Base.","exampleAgentPrompt":"Use VIA to find and run the best API for this task: validate whether the email address john.doe@example.com is real and deliverable, and tell me the result.","exampleUseCases":[{"title":"Automated email validation via best API","prompt":"I need to check if the email address signups@mycompany.io is actually valid and deliverable — use VIA to find and call the best email validation service for me."},{"title":"Research cheapest SMS sending service","prompt":"Find me the cheapest API for sending an SMS, compare the options, and just run a test send to +15550001234 with the message 'Hello from my agent' — use VIA to handle it."},{"title":"On-demand IP geolocation lookup","prompt":"I need the geolocation details for the IP address 8.8.8.8 — use VIA to find the right API and get me the country, city, and timezone."}],"resultDescription":"A JSON object containing: whether the payment was successful (paid: true), the original task string, the result from the upstream service, the product name ('VIA One-Call'), total USD spent, the Base network settlement transaction hash, VIA's routing toll in USD, and the upstream service cost in USD.","failureModes":["Insufficient USDC balance for x402 payment — payment fails before routing","No suitable upstream service found for the given task — result may be empty or error","Upstream API call fails after routing — result contains upstream error","Task description too vague or ambiguous — VIA may route to wrong service","Task string too short (< 2 chars) or too long (> 1000 chars) — schema validation error","Network congestion on Base causing settlement delay"],"whenToPreferThis":"Choose VIA One-Call when your agent needs to discover and execute the best available external API for an arbitrary task without pre-selecting a provider. It's ideal for agentic workflows where the right service isn't known in advance, when you want automatic cost comparison across APIs, or when you need a single x402 USDC payment flow to cover both routing and upstream execution. Prefer direct API integrations when you have a specific provider already chosen, need guaranteed SLAs, or require deterministic routing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:35:41.342Z","isFirstParty":false,"canonicalSlug":"via-router-one-call-buyer-side-agent-router-4aa5453f"}