{"uid":"cap_aLtdnBlRtIFxqOgA7nlYm","slug":"evm-wallet-balance-checker-base-amanchain-8b468ab3","name":"EVM Wallet Balance Checker (Base) — AmanChain","description":"EVM Wallet Balance: native ETH + USDC balance of any address on Base Executed deterministically by the AmanChain node against live consensus state (real blocks, pools, balances) — paid per call via x402, settled in USDC on Base. Input: JSON body {\"serviceId\":\"aman-evm-balance\",\"request\":\"<input>\"}. No account, no API key.","url":"https://preview-chat-701ec510-82d7-4ee3-ae9d-8fdb8c4f421b.space-z.ai/api/x402/aman-evm-balance","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","properties":{"request":{"type":"string","description":"service input (see body example)"},"serviceId":{"type":"string","description":"the service id, \"aman-evm-balance\""}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001244","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":"$0.001244/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001244","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001244","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8VewSRTdsN_5NDeDXTjbS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001244","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 and USDC balance of any EVM address on the Base network, queried against live on-chain state.","exampleAgentPrompt":"What are the current ETH and USDC balances for wallet address 0x4200000000000000000000000000000000000006 on Base?","exampleUseCases":[{"title":"DeFi portfolio balance check","prompt":"Can you check how much ETH and USDC wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 currently holds on Base?"},{"title":"Pre-payment wallet validation","prompt":"Before I send funds, can you verify that the Base address 0xAbCd1234567890abcd1234567890abcd12345678 has at least 5 USDC available?"},{"title":"Automated treasury monitoring","prompt":"Check the current ETH and USDC balances on Base for our treasury wallet 0x1234abcd1234abcd1234abcd1234abcd1234abcd so I know if we need to top it up."}],"resultDescription":"Returns the native ETH balance and USDC token balance of the queried EVM address as live on-chain values from the Base network, reflecting the current consensus state.","failureModes":["Invalid or malformed EVM address returns an error","Address with no activity may return zero balances","Payment failure via x402 (insufficient USDC for the $0.001244 fee) blocks the call","Network or node unavailability may cause timeouts","Wrong serviceId value causes routing failure"],"whenToPreferThis":"Choose this endpoint when you need a real-time, deterministic balance lookup for both native ETH and USDC on the Base L2 network without needing an API key or account — particularly in pay-per-call agent workflows using x402 micropayments on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:07:54.231Z","isFirstParty":false}