{"uid":"cap_ol2DOZs8e3jRjxsXRUz_V","slug":"x402check-health-probe-74742478","name":"x402check Health Probe","description":"x402 pre-pay trust/health check: probes another x402 endpoint (unpaid) and returns a verdict.","url":"https://x402check.anton-14a.workers.dev/check?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WhDTtXvtToqzGp6gBOqj_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Probes a target x402 endpoint without paying and returns a trust/health verdict about whether it is responsive and well-formed.","exampleAgentPrompt":"Before I commit to calling that x402 payment endpoint, can you do a trust and health probe on it — just hit it unpaid and tell me whether it looks legitimate and well-formed?","exampleUseCases":[{"title":"Pre-integration sanity check on x402 API","prompt":"I'm about to integrate this x402 endpoint into my app — can you probe it first without paying to check if it's actually healthy and returning a proper 402 response?"},{"title":"Vetting an unknown x402 service","prompt":"I found this x402 endpoint on a marketplace but I don't fully trust it yet — can you run a trust check on it and tell me if it looks legit before I send any money?"},{"title":"Monitoring fleet of x402 endpoints","prompt":"Can you run a health probe on this x402 endpoint and report back whether it's up and responding correctly — I want to know before my agent tries to pay and call it?"}],"resultDescription":"A verdict object indicating whether the probed x402 endpoint is healthy, trustworthy, and well-formed — including the response status and any diagnostic signals gathered from the unpaid probe request.","failureModes":["Target endpoint is unreachable or times out — probe returns unhealthy verdict","Target URL is not an x402 endpoint — may return malformed or unexpected response verdict","Invalid or missing target URL in request body — returns validation error","Target endpoint returns an unexpected non-402 status — flagged in verdict"],"whenToPreferThis":"Use this endpoint when you need to verify an x402 endpoint's health, trust, or conformance before committing a payment — especially when vetting unknown or third-party x402 APIs. Prefer this over calling the endpoint directly when you want a zero-cost pre-flight check.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T00:35:55.529Z","isFirstParty":false,"canonicalSlug":"x402check-health-probe-74742478"}