{"uid":"cap_vwrbxWzAW8-uDmwuKqNc_","slug":"tollex-wallet-native-balance-a2146f7d","name":"Tollex Wallet Native Balance","description":"Tollex lets software agents buy APIs and tools under rules you set: it finds a capability that fits, checks your policy before anything is signed, pays with x402 in USDC on Base or USDG on Robinhood Chain, reconciles uncertain payments and returns a signed receipt.","url":"https://api.tollex.org/tools/wallet_native_balance?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"address":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$"}}},"responseSchema":{"type":"json","example":{"tool":{"id":"wallet_native_balance","version":"1.0.0","provider":"tollex.robinhood-chain"},"result":{"wei":"7897952253800000","nonce":1,"address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168"},"evidence":[],"untrustedOutput":false}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0079","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":"$0.0079/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0079","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0079","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VrNNiuWaMUpKxyknkF3pA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0079","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the native token balance of a given EVM wallet address on-chain, paid per call via x402 micropayment in USDC","exampleAgentPrompt":"What's the native token balance of the wallet 0x4e83362442b8d1bec281931b9e6e61be9b5a4321 right now?","exampleUseCases":[{"title":"Pre-transaction funding check","prompt":"Before I send that transaction, can you check whether 0x4e83362442b8d1bec281931b9e6e61be9b5a4321 actually has enough native tokens to cover it?"},{"title":"Agent treasury monitoring","prompt":"What's the current native balance on our agent's operating wallet at 0xAbCd1234567890abcdef1234567890abcdef1234 — I want to make sure it hasn't run dry?"},{"title":"Auditing a counterparty wallet","prompt":"Look up the native on-chain balance for the address 0xDeAdBeEf00000000000000000000000000000000 — I want to verify they have funds before we proceed with the deal."}],"resultDescription":"Returns the native token balance (e.g. ETH, gas token) held at the specified EVM wallet address, expressed as an on-chain value. The response includes the balance amount for the queried address, confirmed via a signed receipt from the Tollex payment and reconciliation layer.","failureModes":["Invalid or malformed address (not matching ^0x[0-9a-fA-F]{40}$) returns a validation error","Payment failure or insufficient USDC for the $0.0078 per-call fee results in a 402 response","Address is valid but has zero balance — returns 0 rather than an error","Network or RPC timeout causes a retrieval failure","Uncertain payment reconciliation may delay receipt delivery"],"whenToPreferThis":"Use this endpoint when an AI agent needs a quick, pay-per-use native token balance lookup for any EVM wallet address without requiring a dedicated RPC node setup. Ideal for agents that only occasionally need balance checks and want to pay micropayments via x402/USDC rather than maintaining API subscriptions. Prefer this over self-hosted RPC calls when operating under policy-controlled agent spending rules on the Tollex platform.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:45:28.230Z","isFirstParty":false,"canonicalSlug":"tollex-wallet-native-balance-a2146f7d"}