{"uid":"cap_DsgvSfg2ZyumDVv1l5LDA","slug":"pocket-network-ethereum-native-eth-balance-lookup-2b0483dd","name":"Pocket Network Ethereum Native ETH Balance Lookup","description":"Pay-per-call access to Pocket Network services. No account, no API key.","url":"https://agent.pocket.network/v1/wallet-portfolio?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chains":{"description":"\"all\", or a list of chain ids or names (ethereum, base, bsc, arbitrum, monad, robinhood, polygon, avalanche, plasma, optimism, solana, hyperliquid). Default: Ethereum only."},"address":{"type":"string","description":"EVM 0x address or ENS name."},"solana_address":{"type":"string","description":"Solana base58 address."}}},"responseSchema":{"type":"json","example":{"data":{},"portal":{"serviceId":"wallet-portfolio","provenance":"third-party-supplier","schemaCheck":"passed"}}},"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_RHUmm926C0iz4qN2ZN_tj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the live native ETH balance of an Ethereum mainnet address via a pay-per-request RPC call, no account required.","exampleAgentPrompt":"What's the current native ETH balance of the address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum mainnet?","exampleUseCases":[{"title":"DeFi portfolio ETH balance snapshot","prompt":"Can you check the live ETH balance of 0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B on Ethereum mainnet so I can see how much native ETH they're holding?"},{"title":"On-chain wallet monitoring alert","prompt":"Check the current ETH balance for wallet address 0x742d35Cc6634C0532925a3b844Bc454e4438f44e on Ethereum mainnet — I want to know if it's above zero."},{"title":"Smart contract audit wallet check","prompt":"Look up the native ETH balance for 0xBE0eB53F46cd790Cd13851d5EFf43D12404d33E8 on Ethereum mainnet right now — chain ID 1."}],"resultDescription":"Returns a JSON object with a `data` field containing the native ETH balance of the queried address, along with a `portal` metadata block indicating the service ID, provenance (third-party-supplier), and schema check status. Token (ERC-20) balances are not included.","failureModes":["Invalid or malformed Ethereum address returns an error or empty data object","Unsupported chain_id results in no data or an error response","Network congestion or RPC node unavailability may cause timeouts","Payment failure (insufficient USDC) results in HTTP 402 and no data returned","Address with no ETH returns a zero balance, not an error"],"whenToPreferThis":"Choose this endpoint when you need a fast, keyless, pay-per-request native ETH balance lookup on Ethereum mainnet (chain ID 1) without setting up an account or API key. It is ideal for agents that need occasional, ad-hoc wallet balance checks and want to pay micro-fees in USDC. Not suitable when ERC-20 token balances are needed, or when querying chains other than Ethereum mainnet.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T00:30:10.269Z","isFirstParty":false,"canonicalSlug":"pocket-network-ethereum-native-eth-balance-lookup-2b0483dd"}