{"uid":"cap_LGKTdBfio8j7kvlkqE3ZX","slug":"crypto-shark-bazaar-finalized-block-9378c0da","name":"Crypto Shark Bazaar – Finalized Block","description":"Low-cost x402 blockchain primitives, market intelligence, and AI utilities for autonomous agents","url":"https://cryptoshark.duckdns.org/chain/finalized-block?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"network":"base","observedAt":"2026-09-16T00:00:00.000Z"}},"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_xecvzdnNCzzfgA1BnhXwC","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":"Returns the latest finalized block information for a blockchain network, including the network name and the timestamp at which it was observed.","exampleAgentPrompt":"What's the latest finalized block on the Base network right now — give me the network name and when it was last observed?","exampleUseCases":[{"title":"Monitor Base network block finality","prompt":"Check the Base network's latest finalized block and tell me when it was last observed — I want to make sure the chain is producing blocks normally."},{"title":"Verify on-chain liveness before transaction","prompt":"Before I submit this on-chain transaction, can you confirm the Base network has a recent finalized block and tell me its observation timestamp?"},{"title":"Agent health check for blockchain state","prompt":"My autonomous agent needs to verify the blockchain is live — can you fetch the latest finalized block on Base and return the network name and observed time?"}],"resultDescription":"A JSON object containing the blockchain network identifier (e.g. 'base') and the ISO 8601 timestamp at which the finalized block was observed (e.g. '2026-09-16T00:00:00.000Z'), confirming the most recently finalized block on the network.","failureModes":["Network or node outage may return a stale or missing observedAt timestamp","Unsupported network identifiers may result in an empty or error response","Rate limiting or payment failure (x402) may prevent access","Malformed properties parameter may cause a 400 or unexpected empty response"],"whenToPreferThis":"Choose this endpoint when an AI agent needs a lightweight, low-cost ($0.001 USDC) confirmation that a specific blockchain network (e.g. Base) is actively finalizing blocks, or when you need a canonical on-chain timestamp for synchronization, liveness checks, or pre-transaction validation — without needing full block data or transaction details.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T06:49:00.219Z","isFirstParty":false,"canonicalSlug":"crypto-shark-bazaar-finalized-block-9378c0da"}