{"uid":"cap_n6ZZ3x_T2yq4Oixu5AMze","slug":"base-wallet-snapshot-618e406b","name":"Base Wallet Snapshot","description":"","url":"https://api.arysphere.com/v1/ventures/x402_eth_reads_v1/base_wallet_snapshot?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"address":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$","description":"wallet or contract, 0x + 40 hex"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_p9FtTHzKLJ2kc39NQliZt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a batched snapshot of an Ethereum Base-chain address including native ETH balance, nonce, contract flag, and balances of 10 major Base tokens with USD values, cached for 60 seconds.","exampleAgentPrompt":"Give me a full wallet snapshot for 0x4838B106FCe9647Bdf1E7877BF73cE8B0BAD5f97 on Base — I want to see the ETH balance, all top token balances like USDC, cbETH, and DEGEN, and the total USD value.","exampleUseCases":[{"title":"DeFi portfolio audit on Base","prompt":"Pull a full snapshot of this Base wallet 0x4838B106FCe9647Bdf1E7877BF73cE8B0BAD5f97 — I want to see the ETH balance, all the major token holdings like USDC, WETH, cbETH, and the total USD value so I can audit what's in there."},{"title":"Check if address is a contract","prompt":"Can you look up 0xd9aAEc86B65D86f6A7B5B1b0c42FFA531710b6CA on Base and tell me whether it's a smart contract or a regular wallet, and what its current nonce is?"},{"title":"Stablecoin balance verification","prompt":"What stablecoins does the Base address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 currently hold — specifically USDC, USDbC, and DAI — and what are they worth in USD?"}],"resultDescription":"A structured wallet snapshot including: native ETH balance and its USD value, the address nonce, a boolean indicating whether the address is a smart contract, and individual token balances for WETH, USDC, USDbC, DAI, cbETH, wstETH, cbBTC, AERO, VIRTUAL, and DEGEN — with USD values provided for ETH, WETH, and dollar stablecoins. Data is batched from a single on-chain read and cached for 60 seconds.","failureModes":["Invalid address format (not matching 0x + 40 hex) returns validation error","Address not found or zero-activity wallet returns all-zero balances","Cache miss may result in slightly higher latency on first call","Only the fixed 10 tokens are returned; other token balances are not included","Network congestion on Base may cause read timeout"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, multi-token portfolio snapshot for a Base chain address in a single call rather than making separate balance queries per token. It is ideal for DeFi dashboards, wallet audits, and agent workflows that need a broad view of a Base address's holdings including both native ETH and major Base ecosystem tokens. Not suitable if you need balances for tokens outside the fixed 10, real-time (sub-60s) data, or Ethereum mainnet addresses.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T13:25:57.082Z","isFirstParty":false,"canonicalSlug":"base-wallet-snapshot-a4ee178e"}