{"uid":"cap_yQtt8-NHI_iTa3JzthDX-","slug":"x402-toolbox-block-by-number-450559e0","name":"x402-toolbox Block by Number","description":"309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.","url":"https://x402-toolbox.shablony-pro.workers.dev/chain/block-by-number?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"schema":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_TLJBhX2ymJcrS7fglv7rm","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves a blockchain block's details by its block number from an EVM-compatible chain, paid per-call via x402/USDC on Base.","exampleAgentPrompt":"Can you fetch the block details for block number 19500000 on the Base chain?","exampleUseCases":[{"title":"Verify transaction inclusion in block","prompt":"I need to check what transactions were included in block number 18900000 — can you pull the full block data for me?"},{"title":"Audit block timestamp for compliance","prompt":"What was the exact timestamp of block 20000000 on Base? I need it for a compliance audit."},{"title":"Monitor specific block for on-chain event","prompt":"Pull up block 19750000 for me and show me its hash and the number of transactions it contained."}],"resultDescription":"Returns a JSON object with block details including block hash, parent hash, timestamp, miner/validator, transaction list, gas used, and other EVM block metadata for the requested block number.","failureModes":["Block number not found or not yet mined — returns error or empty result","Invalid or missing block number parameter — returns validation error","Chain not supported or schema parameter invalid — returns bad request","x402 payment failure — returns HTTP 402 if payment is missing or insufficient","Network or upstream RPC timeout — returns 5xx error"],"whenToPreferThis":"Choose this endpoint when you need deterministic, pay-per-call blockchain block lookups by number with no API key or signup required. Ideal for AI agents operating autonomously with a USDC wallet on Base, especially when fetching specific historical or recent blocks from EVM-compatible chains without maintaining a subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:49:11.794Z","isFirstParty":false,"canonicalSlug":"x402-toolbox-block-by-number-450559e0"}