{"uid":"cap_MR3d9PxerYHyi9E5o3Gjp","slug":"proofsignal-base-block-number-033a0a4d","name":"ProofSignal Base Block Number","description":"Current Base mainnet block number, block timestamp, age, and canonical chain identifiers from a live RPC read.","url":"https://enough-kate-provide-bennett.trycloudflare.com/base/block-number","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","properties":{},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_RD_6gPf-yvr6Gyuc6hHkW","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 current Base mainnet block number, block timestamp, age, and canonical chain identifiers via a live RPC read.","exampleAgentPrompt":"What's the current block number and timestamp on Base mainnet right now?","exampleUseCases":[{"title":"Proof freshness verification","prompt":"Can you grab the current Base block number and timestamp so I can anchor my ZK proof to the latest chain state?"},{"title":"Block age monitoring for liveness check","prompt":"Check if Base mainnet is producing fresh blocks — give me the current block number and how old it is."},{"title":"Chain ID lookup for deployment config","prompt":"What's the canonical chain ID and identifiers for Base mainnet? I need them for my smart contract deployment config."}],"resultDescription":"Returns the current Base mainnet block number (integer), block timestamp (Unix epoch), block age in seconds or human-readable form, chain ID, and canonical chain name/identifiers — all sourced from a live RPC call to Base mainnet.","failureModes":["RPC node temporarily unavailable or rate-limited — returns 5xx error","Cloudflare tunnel disruption causing 502/504 gateway errors","Stale or cached response if RPC node is lagging behind chain tip","Payment not confirmed — x402 payment required error if USDC not sent"],"whenToPreferThis":"Choose this endpoint when you need real-time Base mainnet block data without running your own RPC node, particularly for proof anchoring, liveness checks, or chain state verification. It is well-suited for agents needing lightweight on-chain data without a full blockchain SDK integration.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:31:59.032Z","isFirstParty":false}