{"uid":"cap_UqUFUnlVkW3MpAgDz7UaH","slug":"quietsignal-catalog-health-check-5b00ff29","name":"QuietSignal Catalog Health Check","description":"QuietSignal Public Data: independent, read-only rollup, wallet, opportunity, and developer-data facts for agents, paid per request with USDC over HTTP 402 on Base.","url":"https://83-29-153-50.sslip.io/v1/catalog-health?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","required":[],"properties":{"limit":{"type":"integer","maximum":100,"minimum":1,"description":"Maximum number of public PayanAgent offers to probe"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"counts":{"4xx":0,"5xx":0,"dead":0,"alive":1,"timeout":0},"schema":"catalog-health/v1","source":{"provider":"PayanAgent","probe_surface":"public buyUrl gateway"},"results":[],"disclaimer":"Unpaid HTTP liveness facts; no payment calls or seller execution were attempted.","returned_count":1}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_etjzriGBUGjcwajjnTQdA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns HTTP liveness status and counts (alive, dead, timeout, 4xx, 5xx) for public PayanAgent offer endpoints from the QuietSignal catalog.","exampleAgentPrompt":"Check the QuietSignal catalog health and tell me how many public PayanAgent offers are currently alive versus dead or timing out — probe up to 50 of them.","exampleUseCases":[{"title":"Monitoring agent marketplace uptime","prompt":"Scan the QuietSignal public catalog and tell me how many PayanAgent offer endpoints are alive right now versus returning errors or timing out — check up to 100 of them."},{"title":"Debugging dead API offers","prompt":"I think some offers in the QuietSignal catalog are broken — can you pull the catalog health report and show me how many are returning 4xx or 5xx errors?"},{"title":"Pre-flight check before agent workflow","prompt":"Before I start my agent workflow that calls PayanAgent buyUrls, can you run a quick liveness check on the QuietSignal catalog to confirm the gateway is healthy?"}],"resultDescription":"A JSON object with a 'counts' breakdown (alive, dead, timeout, 4xx, 5xx), a schema version string ('catalog-health/v1'), source metadata identifying the provider as PayanAgent and the probe surface as the public buyUrl gateway, a 'results' array of probed endpoint details, a returned_count integer, and a disclaimer confirming no payments or seller executions were attempted.","failureModes":["Limit parameter out of range (1-100) returns validation error","Network timeout if the sslip.io host is unreachable","HTTP 402 payment required if USDC payment over x402 is not provided","Empty results array if no public offers exist in the catalog","Partial results if some gateway probes time out during the health sweep"],"whenToPreferThis":"Use this endpoint when you need a fast, read-only liveness snapshot of PayanAgent public offer endpoints without triggering any payments or seller-side execution. Prefer it over full catalog browsing when you only need aggregate health counts (alive/dead/timeout/error class) to decide whether the gateway is operational before committing to downstream agent calls.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T04:25:09.873Z","isFirstParty":false,"canonicalSlug":"quietsignal-catalog-health-check-5b00ff29"}