{"uid":"cap_elxTRqjQu6kRY1EGZC-o6","slug":"walletglass-wallet-b2c34535","name":"Walletglass — wallet","description":"ETH and USDC balance of any address on Base, read live from the chain (eth_getBalance + USDC balanceOf) at request time. Pass ?address=0x... . Returns raw and decimal values plus the block number the read was made at. No third-party API, no cache.","url":"https://oraclepost.higgsfield.app/api/premium/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":{"const":"http"},"method":{"const":"GET"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"EVM address on Base, 0x-prefixed, 40 hex chars"}}}}},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jozv55k84zT6_qJ5Z_VuG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live ETH and USDC balances for any Base address, read directly from the chain via eth_getBalance and USDC balanceOf, with raw and decimal values plus the block number.","exampleAgentPrompt":"What are the current ETH and USDC balances for the Base address 0x1234567890abcdef1234567890abcdef12345678 — read straight from the chain?","exampleUseCases":[{"title":"DeFi bot pre-trade balance check","prompt":"Before executing this trade, check the live ETH and USDC balances of 0xAbCdEf1234567890AbCdEf1234567890AbCdEf12 on Base so I know if there's enough to cover the swap."},{"title":"Portfolio tracker wallet snapshot","prompt":"Pull the current ETH and USDC balances for 0xDeAdBeEf00000000000000000000000000000001 on Base and tell me what block the data was read from."},{"title":"Payment confirmation after transfer","prompt":"I just sent USDC to 0x9999888877776666555544443333222211110000 on Base — can you check if the balance has updated on-chain yet?"}],"resultDescription":"Returns the ETH balance (in both raw wei and human-readable decimal) and USDC balance (in both raw units and decimal), along with the block number at which the on-chain read was made. No caching — values reflect the live chain state at request time.","failureModes":["Invalid or malformed address (not 0x-prefixed or wrong length) results in an error response","Address not found on Base — returns zero balances rather than an error","Node connectivity issues may cause transient failures or timeouts","Payment failure (x402) if USDC payment of $0.02 is not provided or rejected"],"whenToPreferThis":"Choose this endpoint when you need a trustless, uncached, live on-chain balance read for both ETH and USDC on Base in a single call. Ideal when you cannot rely on third-party indexers or cached APIs and need the exact block-level snapshot. Prefer over cached alternatives when precision and freshness are critical, such as pre-trade checks or post-transfer confirmations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-19T12:45:11.147Z","isFirstParty":false}