{"uid":"cap_wpUizmsj9aXNs1e71nPiZ","slug":"verifyoracle-block-info-bf9a5e06","name":"VerifyOracle Block Info","description":"Live Base Mainnet (chainId 8453) latest block height, block hash, UTC timestamp, and transaction count from Base RPC.","url":"https://verify-oracle.run402.com/api/block-number?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"source":"base-mainnet-rpc","chainId":8453,"network":"base-mainnet","txCount":142,"blockHash":"0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef","timestamp":1761069000,"parentHash":"0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890","blockNumber":52908000,"timestampIso":"2026-10-21T18:00:00.000Z","baseFeePerGasWei":"1200000"}},"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_u377Iw3JlnegUYlj3kwPc","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 Base Mainnet block height, block hash, UTC timestamp, and transaction count via live RPC query.","exampleAgentPrompt":"What's the latest block number and block hash on Base mainnet right now, and how many transactions were included in that block?","exampleUseCases":[{"title":"Blockchain liveness health check","prompt":"Can you confirm Base mainnet is producing blocks normally — give me the current block number and the timestamp of the latest block so I can make sure the chain isn't stalled?"},{"title":"On-chain timestamp for audit log","prompt":"I need the exact UTC timestamp of the latest Base mainnet block for an audit record — what's the current block number, its ISO timestamp, and its hash?"},{"title":"Transaction activity snapshot","prompt":"How many transactions were in the most recent Base mainnet block, and what block number are we at right now?"}],"resultDescription":"A JSON object containing: blockNumber (latest block height), blockHash (hex string), timestamp (Unix epoch), timestampIso (ISO 8601 UTC string), txCount (transaction count in that block), parentHash, baseFeePerGasWei, chainId (8453), network ('base-mainnet'), and source identifier.","failureModes":["RPC node unavailability returns a 5xx error with no block data","Network congestion may cause slightly stale block data","malformed or empty response if Base RPC is unreachable","rate limiting if called at very high frequency"],"whenToPreferThis":"Choose this endpoint when you need real-time, low-cost ($0.001 USDC) access to Base mainnet chain state — specifically block height, block hash, timestamp, and transaction count — without running your own node or managing RPC credentials. Ideal for agents that need to anchor events to an on-chain timestamp, verify chain liveness, or track block progression on Base (chainId 8453).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:39:51.549Z","isFirstParty":false,"canonicalSlug":"verifyoracle-block-info-bf9a5e06"}