{"uid":"cap_nNBeI5HNspXizD2V-qUXO","slug":"vokko-host-protocol-refresh-7800e467","name":"Vokko Host Protocol Refresh","description":"Probe a host for UCP, ACP, AP2, TAP, MCP, A2A, x402, MPP, llms.txt and OpenAPI. UCP is one cell — not the product.","url":"https://www.vokko.eu/api/v1/hosts/%7Bdomain%7D/refresh?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["domain"],"properties":{"domain":{"type":"string","description":"Host being re-probed"}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"domain":"example.com","probedAt":"2026-01-01T00:00:00.000Z","protocols":[{"id":"ucp","status":"present"},{"id":"mcp","status":"absent"},{"id":"x402","status":"callable"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_nxpx3w3zpsWjAiSuArdnu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Triggers a fresh live probe of a specified domain to detect which agent-web protocols (UCP, MCP, x402, A2A, etc.) it supports, bypassing cached results.","exampleAgentPrompt":"Can you do a fresh probe of stripe.com on Vokko to see which agent-web protocols it supports right now — like MCP, x402, A2A, and OpenAPI?","exampleUseCases":[{"title":"Verify x402 payment support before integrating","prompt":"Run a live Vokko scan on shopify.com — I need to know whether it currently supports x402 payments before I build my checkout agent."},{"title":"Check MCP availability on a partner API","prompt":"Probe api.openai.com on Vokko right now and tell me if it has MCP or A2A enabled — I want fresh results, not cached ones."},{"title":"Monitor new protocol adoption on a competitor","prompt":"Do a fresh Vokko probe on anthropic.com and tell me which agent protocols they've added — specifically looking for UCP, llms.txt, and OpenAPI."}],"resultDescription":"Returns a JSON object with the domain, the timestamp of the fresh probe, and an array of protocol entries — each with a protocol ID (e.g. 'ucp', 'mcp', 'x402') and its status ('present', 'absent', or 'callable').","failureModes":["Domain not reachable — probe may time out or return error status","Unknown or malformed domain returns 4xx error","Rate limiting if too many refresh calls are made for same host","Protocol detection may be incomplete if host blocks probing agents","Temporary network issues may cause partial results"],"whenToPreferThis":"Use this endpoint when you need fresh, non-cached protocol detection for a domain — particularly when the host may have recently added or removed support for agent-web protocols like MCP, x402, or A2A. Prefer over the free cached GET when staleness is a concern (e.g. before integration decisions, compliance checks, or monitoring workflows).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T06:42:12.842Z","isFirstParty":false,"canonicalSlug":"vokko-host-protocol-refresh-7800e467"}