{"uid":"cap_evmo3bgLZuz-7Ap31nb0f","slug":"cryptointel-wallet-check-base-chain-age-transaction-count-balance-88dc649f","name":"CryptoIntel Wallet Check — Base Chain Age, Transaction Count & Balance","description":"Wallet age, transaction count, and balance summary on Base","url":"https://cryptointel-production.up.railway.app/wallet-check","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","properties":{"address":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"ok":{"type":"boolean"},"data":{"type":"object"},"fee_paid":{"type":"string"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"address":"0x1234567890123456789012345678901234567890"}}},"response":{"ok":true,"data":{"address":"0x1234567890123456789012345678901234567890","network":"base","tx_count":0,"eth_balance":0.267694,"is_contract":false},"fee_paid":"$0.03","generated_at":"2026-06-20T05:37:27.939Z"}},"exampleRequest":{"address":"0x1234567890123456789012345678901234567890"},"tags":["x402"],"displayCostAmount":"0.03","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YgPnxqYqvLv5sNHuVKQT1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns wallet age, transaction count, and balance summary for a given address on the Base blockchain","exampleAgentPrompt":"Can you check how old the wallet 0x1234abcd...5678 is, how many transactions it's made, and what its current balance looks like on Base?","exampleUseCases":null,"resultDescription":"Returns a JSON object with wallet age (first transaction date), total transaction count, and ETH/token balance summary on the Base network, plus an ok status flag and fee_paid confirmation.","failureModes":["Invalid or malformed wallet address returns an error response","Wallet address not found on Base (no activity) may return empty or zero values","Network or RPC node issues may cause timeouts","Missing required 'address' query parameter returns a 400-level error","Payment not accepted or insufficient USDC balance returns 402"],"whenToPreferThis":"Use this endpoint when you need a quick, structured summary of a wallet's on-chain history on Base — specifically age, transaction volume, and balance — without needing a full token holdings breakdown. Prefer this over the portfolio endpoint when you only need activity metadata rather than token exposure detail. Useful for assessing whether a wallet is a fresh/new account or an established one.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:43:12.502Z","isFirstParty":false}