{"uid":"cap_musq3JShKNggAzJp3f54Y","slug":"organicryptoyyc-latest-block-by-chain-a2862a19","name":"OrganiCryptoYYC Latest Block by Chain","description":"Real-device, multi-region site verification with screenshot proof, live Pocket Network Shannon relay-demand/tokenomics/validator-security data, and on-chain RPC snapshots across 38 chains -- Ethereum, Solana, BSC, and peaq natively, plus 34 more EVM chains via Pocket Network's free public gateway (Arbitrum, Base, Optimism, Polygon, Avalanche, zkSync, Linea, Scroll, Gnosis, and more) -- 54 metered x402 routes, priced and settled per call in USDC. Migrating to Acurast decentralized cloud compute for censorship-resistant hosting -- stay tuned.","url":"https://organiccryptoyyc.com:8443/v1/chain/%7Bchain%7D/latest-block","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"chain":"base","chainName":"Base","blockNumber":20123456}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_G8U_JaLIQ5gBhJgWwLsG4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the latest block number for a specified blockchain via on-chain RPC snapshot across 38 supported chains","exampleAgentPrompt":"What's the latest block number on Base right now? I need a fresh on-chain snapshot.","exampleUseCases":[{"title":"Monitor Ethereum chain head","prompt":"Check the current block height on Ethereum and tell me the latest block number — I want to make sure my node is synced."},{"title":"Verify Arbitrum liveness","prompt":"What's the most recent block on Arbitrum? I need to confirm the chain is producing blocks before I run my deployment."},{"title":"Cross-chain block comparison","prompt":"Fetch the latest block numbers for Base, Optimism, and Polygon so I can compare how far ahead each chain is right now."}],"resultDescription":"Returns a JSON object containing the chain identifier (e.g. 'base'), the human-readable chain name (e.g. 'Base'), and the current latest block number (e.g. 20123456) sourced from a live RPC snapshot.","failureModes":["Unsupported chain identifier returns an error or empty response","RPC node temporarily unreachable causes timeout or 5xx error","Payment of 0.005 USDC via x402 not provided returns 402 Payment Required","Malformed chain path parameter returns 400 Bad Request","Chain may briefly lag if Pocket Network relay is congested"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call latest block lookup across any of 38 chains (Ethereum, Solana, BSC, peaq, and 34 EVM chains via Pocket Network) without managing your own RPC infrastructure. It is well-suited for agents that need real-time block height checks with USDC micropayment settlement and no subscription setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:48:23.065Z","isFirstParty":false}