{"uid":"cap_CymoqDmCQvteTDPFPzRUz","slug":"gblin-digital-x402-catalog-observatory-dab6773a","name":"gblin.digital x402 Catalog Observatory","description":"x402 catalog observatory: factual liveness of the ~200 most recently updated Bazaar listings, probed in rotation (~2h cadence). Per-endpoint HTTP code, latency, last-OK time, consecutive fails. No payments made by probes; no judgements — measurements only. Free aggregate view: gblin-mcp.gblin-mcp-worker.workers.dev/catalog","url":"https://gblin.digital/api/x402/catalog","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":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ixG5qs2RhLEANuR3lr2nW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns liveness and health measurements for the ~200 most recently updated Bazaar x402 listings, including HTTP status codes, latency, last-OK timestamps, and consecutive failure counts.","exampleAgentPrompt":"Pull the latest liveness snapshot from the x402 catalog observatory — I want to see which Bazaar-listed endpoints are currently healthy, their HTTP status codes, latency, and how many consecutive failures they've had.","exampleUseCases":[{"title":"Checking live x402 API availability","prompt":"Which x402 Bazaar endpoints are currently up and responding? Show me their HTTP status codes and last successful probe time."},{"title":"Identifying repeatedly failing endpoints","prompt":"Are there any x402 catalog listings that have been failing multiple times in a row? I want to avoid calling endpoints that are clearly down."},{"title":"Latency benchmarking for x402 services","prompt":"What's the current latency data for the x402 Bazaar catalog listings? I'm trying to pick the fastest-responding endpoint for my use case."}],"resultDescription":"A structured list of up to ~200 recently updated Bazaar x402 catalog entries, each with: HTTP response code from the most recent probe, measured latency, timestamp of the last successful (200-OK) response, and count of consecutive failures. No payments are made during probing; data reflects passive HTTP observations only.","failureModes":["Stale data if probe cycle (~2h cadence) has not yet completed a full rotation","Endpoint may return empty or partial results if catalog has few recent listings","x402 payment of $0.005 USDC required — payment failure results in 402 response with no data","Network timeouts or server errors may return 5xx with no catalog payload"],"whenToPreferThis":"Use this endpoint when you need a quick, aggregated liveness snapshot of x402 Bazaar-listed APIs without having to probe each one individually. Ideal for agents that want to pre-filter dead or degraded endpoints before spending credits calling them, or for monitoring dashboards tracking the health of the x402 ecosystem. Prefer this over direct probing when you want historical consecutive-failure counts and last-OK timestamps in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:39:06.469Z","isFirstParty":false}