{"uid":"cap_XjPn1MFlA_hEqFrVt2Ccu","slug":"oblique-markets-base-block-number-cd7141e2","name":"Oblique Markets Base Block Number","description":"Use when an agent needs base block number. Returns Fetch the current Base mainnet block number from redundant public RPCs and return structured JSON with source and freshness metadata. $0.002.","url":"https://api.oblique.markets/api/v1/paid/base-block-number","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"as_of":"2026-08-10T12:00:00.000Z","network":"eip155:8453","block_number":33712840}},"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_p3ydAFeioE-2_8MXP_ZB2","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":"Returns the current live block number on the Base mainnet, fetched from redundant public RPCs","exampleAgentPrompt":"What's the current block number on Base mainnet right now?","exampleUseCases":[{"title":"Smart contract timing check","prompt":"I need to know the current Base mainnet block number before I submit this on-chain transaction — can you grab the latest block height?"},{"title":"DeFi bot block sync","prompt":"My trading bot needs to sync to the current Base chain block — what block number is Base at right now?"},{"title":"Block-based cooldown verification","prompt":"I'm checking whether a 1000-block cooldown has passed on Base — what's the live block number so I can compare it to block 18500000?"}],"resultDescription":"A single integer representing the current block number on Base mainnet, sourced live from redundant public RPC nodes — reflects the latest confirmed block at time of call.","failureModes":["RPC provider outage causing stale or unavailable block data","Network congestion on Base causing delayed block propagation","HTTP 402 payment required if x402 payment header is missing or insufficient","Rate limiting if called too frequently without valid micropayment","Transient errors if all redundant RPCs are temporarily unavailable"],"whenToPreferThis":"Choose this endpoint when you need a quick, reliable, paid-access lookup of the current Base mainnet block height without managing your own RPC node or API keys. It is especially useful for agents that need real-time block-based timing, cooldown checks, or block-number anchoring within automated workflows on Base L2. Prefer it over free public RPCs when reliability via redundancy and simplicity of a single HTTP call with micropayment settlement matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:47:27.529Z","isFirstParty":false}