{"uid":"cap_x2ZJ1a9ycrrGBU3esif7d","slug":"base-account-balance-snapshot-faeb29d1","name":"Base Account Balance Snapshot","description":"JSON snapshot of native ETH and USDC on Base. HTTP 402 unpaid.","url":"https://grokybaseacct.pythonanywhere.com/api/v1/base-account","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","HEAD","POST"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"0x EVM address on Base"}}}},"additionalProperties":false},"output":{"type":"object","required":["ok","usdc","eth","block"],"properties":{"ok":{"type":"boolean"},"eth":{"type":"object"},"usdc":{"type":"object"},"block":{"type":"integer"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_q9H-rQPv7mbN3OfNeKjJa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a JSON snapshot of native ETH and USDC balances for a given EVM address on the Base network, including the block number at time of query.","exampleAgentPrompt":"What are the current ETH and USDC balances for wallet 0x1234abcd...5678 on Base — give me a snapshot including the block number?","exampleUseCases":[{"title":"DeFi portfolio balance check","prompt":"Can you pull the current ETH and USDC balances for my wallet 0xAbCd1234...7890 on Base so I can see what I'm working with?"},{"title":"Automated wallet monitoring alert","prompt":"Check the ETH and USDC balances on Base for address 0xDEAD...BEEF and tell me if either one has dropped below a threshold I care about."},{"title":"Pre-transaction balance verification","prompt":"Before I make this transfer, look up the ETH and USDC balances for 0x9876...FEDC on Base so I know there are enough funds."}],"resultDescription":"A JSON object containing a boolean 'ok' status, an 'eth' object with native ETH balance details, a 'usdc' object with USDC balance details, and an integer 'block' representing the block number at which the snapshot was taken.","failureModes":["HTTP 402 returned if payment of $0.01 USDC is not provided — endpoint requires x402 micropayment before returning data","Invalid or malformed EVM address may return an error or empty balances","Address with no Base network activity may return zero balances for both ETH and USDC","Service downtime on PythonAnywhere hosting could result in 5xx errors","Missing required 'address' query parameter returns a validation error"],"whenToPreferThis":"Use this endpoint when you need a single, low-cost, real-time snapshot of both native ETH and USDC balances for any EVM wallet on the Base network in one call. It is ideal for agents that need to check wallet liquidity before initiating transactions, or for lightweight portfolio monitoring without requiring a full blockchain indexer or multi-call setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:35:46.902Z","isFirstParty":false}