{"uid":"cap_IXYv7jO3GnkS7Ze3vtMup","slug":"x402node-wallet-balance-evm-multi-chain-54a92227","name":"x402node Wallet Balance (EVM Multi-Chain)","description":"Wallet balance across EVM chains. Pass address=0x... and get native ETH balance on Ethereum and Base, plus optional ERC-20 token balances (USDC, USDT, DAI). Set chain=ethereum|base|all and token=USDC,USDT. For AI agents needing wallet balance, ETH balance and token holdings. 钱包余额查询。","url":"https://api.x402node.dev/chain/wallet-balance","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"chain":{"type":"string","description":"ethereum, base, or all (comma-separated allowed). Default ethereum."},"token":{"type":"string","description":"Optional ERC-20 symbols to also fetch, e.g. USDC,USDT,DAI. Alias: tokens."},"address":{"type":"string","description":"EVM wallet address, e.g. 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. Alias: addr, wallet."}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_HbWghE8qmL9c0euiSnbNv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns native ETH balance and optional ERC-20 token balances (USDC, USDT, DAI) for any EVM wallet address across Ethereum and/or Base chains.","exampleAgentPrompt":"What's the ETH balance and USDC and USDT holdings for wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on both Ethereum and Base?","exampleUseCases":null,"resultDescription":"Returns the native ETH balance of the specified wallet and, if requested, ERC-20 token balances (USDC, USDT, DAI) on the specified chain(s) (Ethereum, Base, or both). Data includes balance amounts per chain per asset.","failureModes":["Invalid or missing wallet address returns 400 error","Unsupported chain parameter value returns error","Unsupported token symbol silently omitted or returns error","Network/RPC timeout causes 500 or delayed response","Rate limiting or payment failure returns 402 or 429"],"whenToPreferThis":"Use this endpoint when you need wallet balances specifically on Ethereum or Base chains, and want native ETH plus ERC-20 token balances (USDC, USDT, DAI) in a single call. Prefer over the sibling native-only endpoint when ERC-20 token holdings are also needed. If you need balances on Arbitrum, Optimism, or Polygon, consider the sibling multi-chain native balance endpoint instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:58:26.572Z","isFirstParty":false}