{"uid":"cap_doXxEAXe9NiFwYArAz8Zq","slug":"ethereum-latest-block-height-47ec2a00","name":"Ethereum Latest Block Height","description":"Free live Ethereum mainnet chain-tip sample. The paid $0.0008 API returns canonical block height, timestamp, head age, and provenance from one bounded verified batch.","url":"https://appearing-clinics-show-wrote.trycloudflare.com/ethereum-block-height-sample","method":"GET","headers":{},"bodySchema":{"type":"object","$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","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"unprobed","priceSource":"registry","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":"unknown","summary":"price unknown","primary":{"kind":"unknown","protocol":"x402","network":"base","amountUsd":null,"per":"call","confidence":"unknown"},"accepted":[{"kind":"unknown","protocol":"x402","network":"base","amountUsd":null,"per":"call","confidence":"unknown"}]},"paymentMethods":[{"uid":"pm_Oxj0KnZfe1n6jPySsC07a","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0","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 canonical block height, timestamp, head age, and provenance from a verified batch.","exampleAgentPrompt":"What is the current Ethereum mainnet block height — give me the block number, its timestamp, and how old the chain tip is right now.","exampleUseCases":[{"title":"Real-time DApp sync check","prompt":"Can you check the current Ethereum block height and tell me how old the chain head is, so I can verify my DApp is in sync with mainnet?"},{"title":"Blockchain monitoring dashboard","prompt":"Pull the latest Ethereum mainnet block number and timestamp for my monitoring dashboard — I need to know the chain tip is live and up to date."},{"title":"Smart contract deployment timing","prompt":"What's the current Ethereum block height and timestamp? I want to time my smart contract deployment relative to the current chain tip."}],"resultDescription":"Returns the canonical Ethereum mainnet block height (block number), the block timestamp, the age of the chain head (how long ago the latest block was produced), and provenance metadata from a verified batch indicating the data source and integrity.","failureModes":["Network or Cloudflare tunnel unavailability returns a 5xx error with no block data","Chain data lag if the underlying node is behind mainnet — head age may be stale","Free sample endpoint may return cached or bounded data rather than true real-time chain tip","No input parameters accepted — any query parameters are ignored"],"whenToPreferThis":"Choose this endpoint when you need a quick, lightweight lookup of the current Ethereum mainnet block height and chain tip age without constructing a full RPC call. It is ideal for monitoring, dashboards, or DApp sync checks where only the canonical block number and recency metadata are needed, and when cost-sensitivity matters (free sample, $0.0008 paid). Prefer a full Ethereum node RPC for deeper block data or custom queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T20:27:08.260Z","isFirstParty":false}