{"uid":"cap_1D09LkRBFNFD_SSDA8rjL","slug":"kenward-uptime-check-api-10523bd2","name":"Kenward Uptime Check API","description":"Pay-per-call data settled in USDC on Base. No account, no API key, no human in the loop. Measured 2026-10-05: p50 89-105 ms end-to-end over the public internet; our own handling cost is reported per response in the X-Kenward-Serve-Ms header. Safe by construction: the server holds no private key (/health reports holds_keys=false), a signed payment is delivered once, and an unmeasured market answers UNKNOWN instead of a guess. Launch price: 0.025 USD (50% off 0.05) for the first 100 unique paying wallets (excluding the operator's own wallet).","url":"https://pay.kenwardai.my.id/v1/uptime?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"},"queryParams":{"type":"object","properties":{"url":{"type":"string","description":"public http(s) endpoint to check, e.g. https://example.com/health"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"tls":true,"url":"https://example.com/health","as_of":"2026-10-05T13:00:00Z","boundary":"active HTTP probe from one vantage point","reachable":true,"latency_ms":118,"http_status":200}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.025","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":"$0.025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6a_GpRbwgAXLo46ZYDvYk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a live HTTP probe against a public URL and returns reachability, HTTP status, TLS status, and latency — settled per-call in USDC via x402.","exampleAgentPrompt":"Can you check if https://api.myservice.com/health is currently up and reachable, and tell me the HTTP status code and how fast it responded?","exampleUseCases":[{"title":"Pre-deploy health check for a staging endpoint","prompt":"Before I push my release, can you probe https://staging.myapp.com/healthz and confirm it's returning 200 with TLS working?"},{"title":"Incident triage for a suspected outage","prompt":"Our users are reporting issues — can you check right now if https://api.mycompany.com/status is reachable and what HTTP status it's returning?"},{"title":"Third-party dependency availability check","prompt":"I need to know if https://data.partner-service.io/v2/ping is currently up and how fast it's responding before I run my batch job."}],"resultDescription":"A JSON object with fields: url (the probed endpoint), reachable (boolean), http_status (integer), tls (boolean for HTTPS validity), latency_ms (round-trip latency in milliseconds), as_of (ISO 8601 timestamp of the probe), and boundary (a plain-language description of the measurement scope, e.g. 'active HTTP probe from one vantage point'). If the endpoint cannot be measured, the service returns UNKNOWN rather than guessing.","failureModes":["Target URL is unreachable — reachable returns false, http_status may be absent","Invalid or non-public URL provided — likely a 4xx error from the API","TLS certificate invalid — tls returns false","Payment not settled or x402 flow fails — request is rejected before probing","Unmeasured/unknown state — service returns UNKNOWN rather than fabricating a result"],"whenToPreferThis":"Choose this endpoint when you need a real-time, single-shot HTTP reachability probe with no account setup or API key — paid per call in USDC via x402. Ideal for agent workflows that need on-demand uptime verification without subscribing to a monitoring SaaS. Best for confirming live status before critical operations, not for continuous scheduled monitoring at high frequency.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:32:02.152Z","isFirstParty":false,"canonicalSlug":"kenward-uptime-check-api-10523bd2"}