{"uid":"cap_-_jy7BR2APAdx_QPMIhNl","slug":"sitesignal-public-base-wallet-balance-snapshot-b8d5c59b","name":"SiteSignal Public Base Wallet Balance Snapshot","description":"Return point-in-time public native ETH and native Base USDC balances for one EVM address from Base mainnet RPC.","url":"https://phases-prot-shine-royal.trycloudflare.com/x402/base-wallet-balance","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$","description":"Public EVM address."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"down","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_SsYRCipvBT2KPymZqd7GB","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 point-in-time snapshot of native ETH and USDC balances for any EVM address on Base mainnet","exampleAgentPrompt":"What are the current ETH and USDC balances for the wallet 0x1234567890abcdef1234567890abcdef12345678 on Base mainnet?","exampleUseCases":[{"title":"DeFi portfolio balance check","prompt":"Can you pull the current ETH and USDC balances on Base mainnet for my wallet 0xAbCd1234567890abcdef1234567890abcdef1234? I want to know what I'm working with before making a trade."},{"title":"Verify payment received on Base","prompt":"Check if wallet 0xDEADbeef1234567890abcdef1234567890abcDEF has received any USDC on Base yet — I'm waiting on a payment and want to confirm it landed."},{"title":"Monitor treasury wallet holdings","prompt":"What's the current ETH and USDC balance for our treasury wallet at 0xfeedFACE1234567890abcdef1234567890feedFACE on Base so I can update our books?"}],"resultDescription":"Returns the current native ETH balance and native USDC balance for the specified EVM address on Base mainnet, captured as a point-in-time snapshot directly from the Base mainnet RPC node.","failureModes":["Invalid or malformed EVM address (not matching 0x + 40 hex chars) returns a validation error","RPC node unavailability or Base mainnet downtime may cause lookup failure","Address with no on-chain activity may return zero balances without error","Rate limiting or payment failure for the $0.01 USDC x402 fee may block the request"],"whenToPreferThis":"Choose this endpoint when you need a fast, cheap ($0.01 USDC) read-only balance check for a single EVM address on Base mainnet without running your own node or managing RPC infrastructure. Ideal for agents that need to verify wallet balances, confirm payments, or enrich address data with live on-chain state.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:26:10.736Z","isFirstParty":false}