{"uid":"cap_d6SM17dF-MCbNLdaxXxOk","slug":"saylor-innovations-evm-block-lookup-bb628034","name":"Saylor Innovations EVM Block Lookup","description":"EVM block lookup by number, hash or latest on 16 chains: time, gas use, base fee, miner, transaction count and the transaction hashes in the block.","url":"https://saylorinnovations.com/api/explorer/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":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["chain"],"properties":{"block":{"type":"string","description":"optional: block number, 0x block hash, or latest (default) / safe / finalized"},"chain":{"type":"string","description":"chain name or id"},"limit":{"type":"string","description":"optional: how many transaction hashes to list, 0 to 100, default 25"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["chain","chain_id","number","hash","time","transaction_count","transactions","note","source"],"properties":{"hash":{"type":"string","description":"Hash of the item"},"note":{"type":"string","description":"Caveat or context for reading the result"},"time":{"type":"string","description":"Time"},"chain":{"type":"string","description":"Blockchain the data is for"},"miner":{"type":["string","null"],"description":"Address of the block producer"},"number":{"type":"number","description":"Number that was looked up"},"source":{"type":"string","description":"Data source the values come from"},"chain_id":{"type":"number","description":"EVM chain id"},"gas_used":{"type":"number","description":"Gas consumed"},"gas_limit":{"type":"number","description":"Gas limit"},"size_bytes":{"type":["number","null"],"description":"Size, in bytes"},"parent_hash":{"type":"string","description":"Hash of the parent block"},"transactions":{"type":"array"},"base_fee_gwei":{"type":["number","null"],"description":"Base fee per gas in gwei"},"gas_used_percent":{"type":["number","null"],"description":"Gas used, as a percentage"},"transaction_count":{"type":"number","description":"Number of transaction"},"withdrawals_count":{"type":["number","null"],"description":"Number of withdrawals"},"transactions_truncated":{"type":"boolean","description":"Transactions truncated"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8jb5zCMymUef8P0FA1ovt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Look up EVM block details by number, hash, or 'latest' across 16 chains, returning time, gas usage, base fee, miner, transaction count, and transaction hashes.","exampleAgentPrompt":"What were the gas usage, base fee, miner, and transaction hashes for Ethereum block number 20500000? Show me up to 50 transaction hashes.","exampleUseCases":[{"title":"Monitor latest Ethereum block gas","prompt":"What's the current latest block on Ethereum — give me the base fee, gas used, and how many transactions it contains."},{"title":"Audit specific Arbitrum block","prompt":"Pull the details for Arbitrum block 150000000: I need the miner address, gas used, base fee in gwei, and the first 25 transaction hashes."},{"title":"Verify block hash on Polygon","prompt":"Can you look up the Polygon block with hash 0xabc123def456... and tell me when it was mined, how much gas was used, and the transaction count?"}],"resultDescription":"Returns a JSON object with chain name, chain ID, block number, block hash, parent hash, timestamp, miner address, gas used, gas limit, gas used percentage, block size in bytes, base fee in gwei, transaction count, an array of transaction hashes (up to the requested limit), data source, and any relevant notes or caveats.","failureModes":["Invalid or unknown chain name/ID returns an error","Block number or hash not found on the specified chain","Block hash format incorrect (missing 0x prefix or wrong length)","Limit parameter out of range (must be 0–100)","Network or RPC node timeout for the requested chain","Chain not among the 16 supported EVM chains"],"whenToPreferThis":"Choose this endpoint when you need structured block-level data (gas, fees, miner, transaction list) for any of 16 EVM-compatible chains in a single unified API call. Prefer it over chain-specific block explorers or raw RPC calls when you want normalized cross-chain output without managing multiple provider connections. Ideal for agents monitoring blockchain activity, auditing transactions, or performing on-chain analytics across multiple networks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T00:38:51.295Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-evm-block-lookup-bb628034"}