{"uid":"cap_zhvckAmUETna2S50cc71q","slug":"agenttoll-app-base-address-snapshot-25fb2d5a","name":"agenttoll.app Base Address Snapshot","description":"Base wallet lookup: an address's primary basename, ETH balance, transaction count, and whether it is a contract","url":"https://agenttoll.app/api/base/address/:address","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$"}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_sjqcviNYogmMfUK7opkO2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns ETH balance, transaction count, and contract/EOA classification for a given Base network address","exampleAgentPrompt":"Can you pull the on-chain snapshot for the Base address 0x1234567890abcdef1234567890abcdef12345678 — I want to know its ETH balance, total transaction count, and whether it's a contract or a regular wallet?","exampleUseCases":[{"title":"Pre-transfer wallet sanity check","prompt":"Before I send funds, can you check if 0xAbCd1234abcd1234abcd1234abcd1234abcd1234 is a real active wallet on Base — what's its ETH balance and how many transactions has it done?"},{"title":"Smart contract address verification","prompt":"I have this Base address 0xDEADBEEFdeadbeefdeadbeefdeadbeefDEADBEEF — can you tell me if it's a smart contract or just a regular EOA, and what's its current ETH balance?"},{"title":"Portfolio balance monitoring","prompt":"Check the current ETH balance and transaction count on Base for 0xaabbccddaabbccddaabbccddaabbccddaabbccdd so I can track how active that wallet has been."}],"resultDescription":"Returns a structured snapshot of the Base address including its current ETH balance, total number of outgoing/incoming transactions, and a flag indicating whether the address is a smart contract or an externally owned account (EOA).","failureModes":["Invalid address format (not matching 0x + 40 hex chars) returns a 400 error","Address not found or never used on Base may return zero balances","Network or RPC node downtime may result in timeouts or 5xx errors","Payment not processed correctly (x402 protocol failure) results in 402 response"],"whenToPreferThis":"Use this endpoint when you need a quick, single-call snapshot of a Base network address — its ETH balance, transaction count, and contract/EOA classification — without needing full transaction history or token balances. Ideal for agents doing lightweight address profiling, pre-transfer checks, or building dashboards on Base chain data. The $0.001 per-call pricing and x402 protocol make it suitable for high-frequency automated lookups.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:50:44.684Z","isFirstParty":false}