{"uid":"cap_g1NDW7JzFtdN7on8WMBNx","slug":"unprice-balance-lookup-cb3d79bb","name":"unprice Balance Lookup","description":"Tiny paid web services for agents. Pay per request with USDC on Base via x402, plus non-x402 Base USDC tx-hash checkouts for Merchant Feed Audit, Base USDC receipts, and recent wallet statements.","url":"https://volkov.evgeny.m2.fvds.ru/pay/balance?utm_source=zero.xyz","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"}}}}},"responseSchema":{"type":"json","example":{"eth":0,"usdc":0,"address":"0xdD1729943bf7C408456cef52886ad12B05B57dC2","network":"base"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NI5i2w5rU_gzgnuMegU1m","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the ETH and USDC balances for a given wallet address on the Base network","exampleAgentPrompt":"Check the ETH and USDC balance for wallet address 0xdD1729943bf7C408456cef52886ad12B05B57dC2 on Base.","exampleUseCases":[{"title":"Agent wallet fund verification","prompt":"Before executing that transaction, check how much USDC and ETH is available in wallet 0xdD1729943bf7C408456cef52886ad12B05B57dC2 on Base so I know if there are enough funds."},{"title":"DeFi dashboard balance display","prompt":"Fetch the current ETH and USDC balances for address 0xAbCd1234567890AbCd1234567890AbCd12345678 on Base and show me the numbers."},{"title":"Automated low-balance alert","prompt":"Check the USDC balance at 0xdD1729943bf7C408456cef52886ad12B05B57dC2 on Base — I want to know if it has dropped below my threshold."}],"resultDescription":"A JSON object containing the ETH balance (as a number), USDC balance (as a number), the queried wallet address, and the network name ('base').","failureModes":["Invalid or malformed address returns an error or zero balances","Address not found on Base returns zeros for both ETH and USDC","Network unavailability or RPC issues may cause a failed fetch","Payment failure (insufficient x402 USDC payment) results in 402 response and no data returned"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-request lookup of ETH and USDC balances for a specific wallet address on the Base network without setting up your own blockchain RPC infrastructure. Ideal for agents that need lightweight, on-demand balance checks without managing API keys or subscriptions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:42:28.790Z","isFirstParty":false,"canonicalSlug":"unprice-balance-lookup-cb3d79bb"}