{"uid":"cap_Ry4xbatNFTmPKLL2ZBOH0","slug":"x402-quickstart-agent-market-probe-loop2-94037fbb","name":"x402-quickstart Agent Market Probe (loop2)","description":"Complete x402 quickstart bundle: v2 Base USDC seller endpoint + EIP-3009 buyer client + deterministic product bundle + tests.","url":"https://loop2-quickstart.manhliemcn4euwlu.workers.dev/mkt/agents?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","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["format"],"properties":{"format":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"format":{"type":"string"},"example":{"type":"string"}}}}},"responseSchema":{"type":"binary","example":"{probes:[url,reachable,http,x402_402,conformant,pay_to,amount_atomic], stats}"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_t4svw9bkTZVG-PbjK9Moj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a probe/health-check bundle for x402-compliant agent market endpoints, reporting reachability, HTTP conformance, payment routing, and pricing for v2 Base USDC seller endpoints.","exampleAgentPrompt":"Can you probe the x402 agent market endpoint and give me a conformance report — I want to know if it's reachable, whether it returns a proper 402, what the pay-to address is, and the USDC amount in atomic units? Use JSON format for the output.","exampleUseCases":[{"title":"Pre-integration x402 conformance check","prompt":"Before I wire up my buyer client, can you probe this x402 agent market endpoint and confirm it returns a valid 402, has a proper pay-to address on Base, and the atomic USDC amount looks right? Give me the full conformance report in JSON."},{"title":"Diagnosing a broken micropayment seller","prompt":"My x402 seller endpoint doesn't seem to be responding correctly to buyer requests — can you run a probe against the agent market URL and tell me which checks are failing: reachability, HTTP conformance, the 402 response, or the payment routing?"},{"title":"Auditing a new x402 quickstart deployment","prompt":"I just deployed the x402 quickstart bundle on Cloudflare Workers and want to verify everything is set up right — can you check if the /mkt/agents endpoint is reachable, x402-conformant, and returning the correct EIP-3009 payment details in JSON format?"}],"resultDescription":"Returns a binary/JSON probe bundle containing per-check results for: URL reachability, HTTP status, x402 402-response presence, protocol conformance, pay-to address, atomic payment amount, and aggregate stats across all probes.","failureModes":["Endpoint unreachable — worker may be down or cold-starting, probe returns reachable=false","Non-conformant 402 response — seller misconfigured, x402_402 probe fails","Missing or malformed pay-to address — EIP-3009 fields absent in 402 header","Format query param missing — request rejected as invalid input","Payment not processed — probe is read-only and does not settle payments, financial data may be stale"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, structured conformance audit of an x402 v2 seller on Base USDC — especially when you want a single call that returns reachability, 402-response validity, pay-to address, and atomic pricing in one bundle. Prefer it over generic HTTP health checks when the target is specifically an x402-gated micropayment API and you need EIP-3009-aware validation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T09:26:42.250Z","isFirstParty":false,"canonicalSlug":"x402-quickstart-agent-market-probe-loop2-94037fbb"}