{"uid":"cap_NfAlfa7J8jw0QsEtFugGx","slug":"base-address-summary-eb5ec72f","name":"Base Address Summary","description":"Pay-per-call utility APIs in USDC on Base: Hebrew calendar and text tools, Shabbat times, Base token control-risk screen and address summary, plus finance arithmetic tools. General information and arithmetic only; not investment, tax or legal advice and not a recommendation to buy, sell or hold anything.","url":"https://heb-utils-x402.hebutils-api.workers.dev/base-address-summary?utm_source=zero.xyz","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":{"address":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"chain":"base","tx_count":0,"eth_balance":"0","is_contract":false,"usdc_balance":"0"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1z--t-ZSjqPWJnyGrlIMD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns an on-chain summary of a Base network address including ETH balance, USDC balance, transaction count, and whether it is a contract","exampleAgentPrompt":"Can you pull up the on-chain summary for the Base address 0x1234...abcd — I want to see its ETH balance, USDC balance, transaction count, and whether it's a smart contract?","exampleUseCases":[{"title":"DeFi counterparty risk screening","prompt":"Before I send funds, can you check this Base address 0xAbCd...1234 and tell me its ETH and USDC balances, how many transactions it's had, and whether it's a contract?"},{"title":"Wallet activity audit","prompt":"I need a quick summary of what's going on with Base wallet 0x9F3a...beef — transaction count, balances, and is it a regular wallet or a smart contract?"},{"title":"New user onboarding verification","prompt":"Can you verify that my newly created Base address 0x4E7c...cafe actually has zero balances and no transaction history yet?"}],"resultDescription":"A JSON object containing: chain name ('base'), transaction count (integer), ETH balance (string), USDC balance (string), and a boolean flag indicating whether the address is a smart contract.","failureModes":["Invalid or malformed address string returns an error","Address not found on Base network may return zero values","Network or RPC node outages could cause timeout errors","Missing required 'address' query parameter returns a 400-level error"],"whenToPreferThis":"Choose this endpoint when you need a quick, affordable ($0.005 USDC) on-chain summary of a Base network address covering ETH balance, USDC balance, transaction count, and contract status — particularly when screening counterparties, auditing wallets, or enriching address data without needing a full-featured blockchain explorer API.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:46:44.558Z","isFirstParty":false,"canonicalSlug":"base-address-summary-eb5ec72f"}