{"uid":"cap_QvU20NmNIY1gTnJ7xNEdo","slug":"cra-agent-rpc-health-monitor-ff991602","name":"CRA Agent RPC Health Monitor","description":"Per-provider RPC latency, head lag and error rates, last 15 minutes","url":"https://api.cra-agent.tech/v1/paid/rpc/health","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":{}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0005","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":"$0.0005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_S_fqHWFrlcMRfRGzMIWxW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0005","costPer":"request","priority":0,"asset":"0x3600000000000000000000000000000000000000","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns per-provider RPC latency, head lag, and error rates for the last 15 minutes","exampleAgentPrompt":"Can you check the current health of all RPC providers — I need to see which ones have the lowest latency, least head lag, and fewest errors over the last 15 minutes so I can pick the best one?","exampleUseCases":[{"title":"Picking the fastest RPC for a dApp","prompt":"Which RPC provider is performing best right now in terms of latency and error rate? I'm about to run a batch of transactions and want to route through the healthiest node."},{"title":"Debugging slow blockchain queries","prompt":"My app feels sluggish — can you pull the RPC health stats for the last 15 minutes and tell me if any providers are showing high head lag or elevated error rates?"},{"title":"Automated RPC failover monitoring","prompt":"Check the RPC health dashboard and alert me if any provider's error rate or head lag has spiked in the past 15 minutes — I want to know before it affects my users."}],"resultDescription":"A structured response with per-provider metrics including: RPC call latency (ms), head lag (number of blocks or time behind chain tip), and error rates — all measured over the trailing 15-minute window. Allows direct comparison across multiple RPC providers.","failureModes":["Payment not attached or insufficient USDC balance — 402 response","No data available if all providers are unreachable","Stale data if the aggregation pipeline is delayed","Rate limiting if called too frequently"],"whenToPreferThis":"Use this endpoint when you need a real-time, multi-provider comparison of RPC health metrics (latency, head lag, error rate) in a single call. Prefer it over manually pinging individual RPC endpoints or using generic uptime tools, especially when routing decisions depend on which provider is healthiest at this moment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-19T12:45:11.149Z","isFirstParty":false}