{"uid":"cap_rlA5EZ5pu3q1jFMOX9XDU","slug":"hearth-evm-block-info-256d0f10","name":"Hearth EVM Block Info","description":"Web page to clean Markdown for AI agents. Pay per call with x402 (USDC on Base).","url":"https://138-197-15-135.sslip.io/v1/evm/block?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":["queryParams"],"properties":{"queryParams":{"type":"object","required":[],"properties":{"chain":{"type":"string","description":"Chain: base (default), ethereum, arbitrum, optimism"},"number":{"type":"string","description":"Block number (default latest)"}}}}}}},"responseSchema":{"type":"json","example":{"iso":"2026-01-01T00:00:00.000Z","hash":"0x…","chain":"base","number":1,"gasUsed":"1","txCount":100,"gasLimit":"1","timestamp":1700000000,"baseFeeGwei":"0.01"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0009","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":"$0.0009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_s_Gd_K7LZ_oLb-6Q7IJDk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0009","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches on-chain block metadata (hash, timestamp, gas, tx count) for a given EVM chain and block number.","exampleAgentPrompt":"What are the details for block 21000000 on Ethereum — give me the hash, timestamp, gas used, and transaction count.","exampleUseCases":[{"title":"Check latest Base block stats","prompt":"What does the latest block on Base look like right now — give me the block number, timestamp, gas used, and how many transactions it has."},{"title":"Audit specific Arbitrum block","prompt":"Pull the details for block 150000000 on Arbitrum — I need the hash, base fee in gwei, and transaction count."},{"title":"Timestamp lookup for on-chain event","prompt":"What time was block 19500000 mined on Ethereum? Give me the ISO timestamp and block hash."}],"resultDescription":"A JSON object containing the block's chain name, block number, hash, ISO 8601 timestamp, Unix timestamp, gas used, gas limit, transaction count, and base fee in gwei.","failureModes":["Block number not yet mined returns an error or empty result","Invalid chain name returns a 400 or error response","Network congestion may cause slightly stale latest-block data","Unsupported chain names outside base/ethereum/arbitrum/optimism cause failure"],"whenToPreferThis":"Use this endpoint when you need lightweight EVM block metadata (hash, timestamp, gas, tx count) for Base, Ethereum, Arbitrum, or Optimism without running a full node or managing RPC endpoints. It is pay-per-call via x402/USDC, making it suitable for occasional agent lookups without subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-26T18:30:20.032Z","isFirstParty":false,"canonicalSlug":"hearth-evm-block-info-256d0f10"}