{"uid":"cap_wnSaDB7c3IvqUm_RNExnY","slug":"mint-intel-base-block-header-by-number-27434e34","name":"Mint Intel: Base Block Header by Number","description":"Base block header by number, hex or tag (latest / finalized / safe) via eth_getBlockByNumber - hash, parent, timestamp and age, fee recipient, gas used/limit and utilization, base fee, tx count and the first 25 tx hashes. Future block -> 404, not charged.","url":"https://mintintel.35-171-220-195.sslip.io/v1/base/block/: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"},"pathParams":{"type":"object","required":["block"],"properties":{"block":{"type":"string","description":"block number (decimal or 0x hex), latest, finalized or safe"}},"additionalProperties":false},"queryParams":{"type":"object","properties":{},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["number","hash","txCount"],"properties":{"hash":{"type":"string"},"number":{"type":"integer"},"txCount":{"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_pKJEN-SagBsQMn8XkpMBZ","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":"Fetches a Base chain block header by number, hex, or tag (latest/finalized/safe) including hash, parent, timestamp, fee recipient, gas stats, base fee, tx count, and first 25 tx hashes.","exampleAgentPrompt":"Can you pull the block header for the latest finalized block on Base — I need the hash, gas utilization, base fee, and how many transactions it contains?","exampleUseCases":[{"title":"Monitor Base chain tip","prompt":"What does the latest Base block look like right now? Give me the block number, timestamp, base fee, and gas utilization."},{"title":"Audit block fee recipient","prompt":"Who received the fees for Base block 18500000? I need the fee recipient address and the total gas used."},{"title":"Trace transactions in a block","prompt":"Get me the first 25 transaction hashes from Base block 0x11A3A8C so I can start tracing them."}],"resultDescription":"Returns a JSON object with the block number, hash, parent hash, timestamp and age, fee recipient address, gas used, gas limit, gas utilization percentage, base fee in wei, transaction count, and an array of the first 25 transaction hashes. Returns 404 for future (non-existent) block numbers without charging.","failureModes":["404 if the requested block number is in the future (not yet mined) — not charged","Invalid block tag returns an error","Malformed hex block number (missing 0x prefix or invalid characters) may cause a bad request","Network or RPC timeout may cause a 5xx response"],"whenToPreferThis":"Use this endpoint when you need structured block-level metadata for the Base L2 chain — gas stats, base fee, fee recipient, tx count, or block hash — by a specific number, hex, or canonical tag (latest/finalized/safe). Prefer this over Ethereum equivalents when working specifically on Base. It handles future blocks gracefully with a 404 and no charge, making it safe for polling loops.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:33.618Z","isFirstParty":false,"canonicalSlug":"mint-intel-base-block-header-by-number-27434e34"}