{"uid":"cap_SN-aV85fjdYd4WaxjRo2w","slug":"address-intelligence-f90537a2","name":"Address Intelligence","description":"EOA vs contract, ETH + USDC balance, transaction count and activity level — straight from Base RPC. Useful for counterparty and wallet checks.","url":"https://402.com.tr/api/x402/address-intel?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"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"Address"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_RkKG_EWR1B_VBMd1bnxuS","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":"Checks an Ethereum/Base address for EOA vs contract classification, ETH and USDC balances, transaction count, and activity level via Base RPC.","exampleAgentPrompt":"Can you check the address 0x1234...abcd on Base — tell me if it's a contract or a regular wallet, and what its ETH and USDC balances and transaction count look like?","exampleUseCases":[{"title":"Counterparty wallet check before payment","prompt":"Before I send funds to 0xAbC123...def, can you check if it's a real wallet or a smart contract, and see how active it is on Base?"},{"title":"Screening a new DeFi protocol's deployer","prompt":"I want to do a quick sanity check on this deployer address 0xDead...Beef — is it an EOA or a contract, what's its ETH balance, and how many transactions has it done?"},{"title":"Assessing inbound payment sender","prompt":"Someone just sent me USDC from 0x9999...1111 — can you look it up and tell me if it's an EOA or a contract, what its balance is, and whether it looks like an active account?"}],"resultDescription":"Returns whether the address is an EOA or smart contract, current ETH balance, current USDC balance, total transaction count, and an activity level indicator — all sourced live from Base RPC.","failureModes":["Invalid or malformed address returns an error response","Address not found or zero-activity address may return zero balances and counts","RPC rate limits or network congestion may cause timeouts","Non-Base addresses (e.g. mainnet-only contracts) may return unexpected or empty results"],"whenToPreferThis":"Use this endpoint when you need a fast, cheap ($0.02) snapshot of a Base wallet or contract — especially for counterparty due diligence, pre-payment checks, or activity screening. Prefer it over heavier due-diligence endpoints when you only need basic identity (EOA vs contract), balance, and activity signals rather than full audit trails or approval graphs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:44:43.465Z","isFirstParty":false,"canonicalSlug":"address-intelligence-f90537a2"}