{"uid":"cap_GGdUakRTVsMpuURJCu1KD","slug":"evm-wallet-native-balance-lookup-344095c8","name":"EVM Wallet Native Balance Lookup","description":"Native balance of an EVM wallet. ?address=0x...&chain=base","url":"https://pyfile-agent.taile3ff35.ts.net/data/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","properties":{"chain":{"type":"string"},"address":{"type":"string"}}}}},"output":{"type":"object"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GEHM105-Fi4PJASAf1kw9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the native token balance of an EVM wallet address on a specified chain (e.g. ETH on Base)","exampleAgentPrompt":"What's the native ETH balance of wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Base right now?","exampleUseCases":[{"title":"Pre-transaction gas check","prompt":"Before I send a transaction, can you check if wallet 0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B has enough native ETH balance on Base to cover gas?"},{"title":"DeFi portfolio native balance snapshot","prompt":"I'm building a portfolio summary — can you pull the native token balance for 0x742d35Cc6634C0532925a3b844Bc454e4438f44e on Base?"},{"title":"Monitoring a contract's native holdings","prompt":"Can you check how much native ETH the contract at 0x4200000000000000000000000000000000000006 is holding on the Base chain?"}],"resultDescription":"Returns the native token balance (e.g. ETH in wei or formatted units) for the specified wallet address on the given EVM chain, reflecting the current on-chain state at the time of the request.","failureModes":["Invalid or malformed wallet address returns an error","Unsupported or unrecognized chain identifier may return an error or empty result","RPC node downtime for the requested chain may cause a timeout or failure","Missing required query parameters (address or chain) likely returns a 400 error"],"whenToPreferThis":"Use this endpoint when you need the native coin balance (ETH, MATIC, etc.) of a specific wallet on an EVM chain without setting up your own RPC node or Web3 library. Ideal for lightweight agent workflows that need on-chain balance data without full blockchain infrastructure. Prefer this over token-specific balance endpoints when you need the base gas currency.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:13:58.960Z","isFirstParty":false}