{"uid":"cap_HzfdfOG0j25I6j-m6dliS","slug":"base-eth-balance-lookup-2d82bc0b","name":"Base ETH Balance Lookup","description":"Base ETH balance for WETH contract address: Address: WETH contract address. Read an address native ETH balance on Base. Focus: blockchain development. Uses live Coinbase Exchange or Base RPC data.","url":"https://market.datapackvibe.com/x402/crypto-base-eth-balance-blockchain-development?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"address":{"type":"string","default":"0x4200000000000000000000000000000000000006"}}},"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_DFjAKH8IAGyz02p6gFMyR","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 any wallet or contract address on the Base blockchain using live RPC data","exampleAgentPrompt":"What's the current native ETH balance for the address 0x4200000000000000000000000000000000000006 on Base?","exampleUseCases":[{"title":"DeFi dashboard wallet balance","prompt":"Check the ETH balance for my wallet 0xAbCd1234...5678 on Base — I want to see how much native ETH I have available."},{"title":"Smart contract ETH holdings check","prompt":"What's the current ETH balance held by the WETH contract at 0x4200000000000000000000000000000000000006 on Base right now?"},{"title":"Automated treasury monitoring","prompt":"Pull the native ETH balance for our treasury address 0xDEAD...BEEF on Base so I can confirm we have enough ETH to cover upcoming gas fees."}],"resultDescription":"Returns the native ETH balance for the specified address on Base, drawn from live Coinbase Exchange or Base RPC data. The balance is expressed as a numeric value in ETH (or wei), reflecting the current on-chain state at the time of the query.","failureModes":["Invalid or malformed Ethereum address returns an error","Address with no activity may return zero balance (not an error)","RPC node downtime or latency spikes may cause timeout or empty response","Network congestion on Base may delay response","Incorrect chain context (e.g. mainnet address queried expecting Base balance) yields unexpected results"],"whenToPreferThis":"Choose this endpoint when you specifically need the native ETH balance of an address on the Base L2 network using live on-chain data. Prefer it over generic Ethereum balance APIs when you are building on Base or working with Base-deployed contracts. It is especially useful for DeFi applications, wallet dashboards, treasury management bots, or any agent workflow that needs real-time Base ETH holdings without setting up your own RPC infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T06:47:35.610Z","isFirstParty":false,"canonicalSlug":"base-eth-balance-lookup-2d82bc0b"}