{"uid":"cap__oPvRtIbjMZ7TbKQ0m4H2","slug":"base-eth-balance-lookup-9402254d","name":"Base ETH Balance Lookup","description":"Base ETH wallet balance for Market research: Read an address native ETH balance on Base. Focus: market research. Uses live Coinbase Exchange or Base RPC data.","url":"https://market.datapackvibe.com/x402/crypto-base-eth-balance-market-research?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"address":{"type":"string","default":"0x8bc2AECdD86097F74a1a5fa17764108D9a683C8C"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NlNsw-a5MueKW48BXVu2N","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the native ETH balance of a given wallet address on the Base L2 network using live Coinbase Exchange or Base RPC data.","exampleAgentPrompt":"What's the current ETH balance on the Base network for wallet address 0x8bc2AECdD86097F74a1a5fa17764108D9a683C8C?","exampleUseCases":[{"title":"Portfolio snapshot for a Base wallet","prompt":"Can you check how much ETH is sitting in the Base wallet 0x8bc2AECdD86097F74a1a5fa17764108D9a683C8C right now? I want to know its current native ETH balance."},{"title":"Pre-trade liquidity check on Base","prompt":"Before I execute this Base transaction, can you confirm whether address 0x742d35Cc6634C0532925a3b844Bc454e4438f44e has enough ETH on Base to cover gas and the transfer?"},{"title":"Market research on whale wallet holdings","prompt":"I'm doing market research on large Base holders — can you pull the live ETH balance for address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Base?"}],"resultDescription":"Returns the native ETH balance of the specified wallet address on the Base L2 network, sourced from live Coinbase Exchange or Base RPC data, expressed as a numeric ETH amount.","failureModes":["Invalid or malformed Ethereum address returns an error","Address not found or has zero activity may return 0 balance","RPC or Coinbase data source temporarily unavailable causes timeout or 503","Network congestion may cause delayed or stale balance data"],"whenToPreferThis":"Use this endpoint when you need a live, real-time native ETH balance on the Base L2 network specifically — not Ethereum mainnet or other EVM chains. Prefer this over generic blockchain explorers when you need a low-latency, pay-per-call lookup with no API key setup, or when the use case involves market research on Base wallet holdings.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:48:02.709Z","isFirstParty":false,"canonicalSlug":"base-eth-balance-lookup-2d82bc0b"}