{"uid":"cap_B1NqdUMEXR3aRpnPsvRQW","slug":"mint-intel-ethereum-block-number-84f02274","name":"Mint Intel: Ethereum Block Number","description":"Latest Ethereum block height - current chain tip via eth_blockNumber (cached <=3 s). The cheapest liveness / clock tick for Ethereum agents.","url":"https://mintintel.35-171-220-195.sslip.io/v1/eth/block-number?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":{},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["chainId","blockNumber"],"properties":{"chainId":{"type":"integer"},"blockNumber":{"type":"integer"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wDxJoYF0Gjx14zo3UA6t5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current Ethereum mainnet block height (chain tip) via eth_blockNumber, cached for up to 3 seconds.","exampleAgentPrompt":"What's the current Ethereum block number right now? I just need the latest chain tip.","exampleUseCases":[{"title":"Ethereum liveness check for agent","prompt":"Check if Ethereum mainnet is alive and producing blocks — what's the latest block number?"},{"title":"Sync progress baseline for indexer","prompt":"I'm building an Ethereum indexer — grab the current block height so I can use it as my sync target."},{"title":"Timestamp proxy for on-chain scheduler","prompt":"I need the current Ethereum block number to use as a reference point for timing my on-chain transaction submission."}],"resultDescription":"Returns a JSON object containing the current Ethereum mainnet chainId (integer) and blockNumber (integer representing the latest confirmed block height), sourced from eth_blockNumber and cached for up to 3 seconds.","failureModes":["Upstream RPC node outage returns 5xx error","Stale cache (up to 3 seconds behind true tip) may cause minor lag","No input validation errors since no parameters are required","Rate limiting or payment failure returns 402 or 429"],"whenToPreferThis":"Choose this endpoint when you need the cheapest, fastest liveness signal or clock tick for Ethereum mainnet — it requires no parameters, costs $0.001 USDC, and the 3-second cache makes it ideal for high-frequency polling or lightweight synchronization tasks without hitting a full RPC node.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:19.135Z","isFirstParty":false,"canonicalSlug":"mint-intel-ethereum-block-number-84f02274"}