{"uid":"cap_SrgVsVHiEMaNVY-GOK6_4","slug":"statepulse-blockchain-balance-lookup-9ada5d4b","name":"StatePulse Blockchain Balance Lookup","description":"Scans native balance and ERC-20 token balances for a wallet address on Base or Ethereum.","url":"https://statepulse-api.hahavoid0.workers.dev/blockchain/balances","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"result":{"chain":"base","wallet":"0x4a82F147c8A4339409C9097Adc1EedFd56E85bFE","usdc_balance":"12.50","native_balance":"0.42"},"supported":true,"confidence":"high"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_EDZ159J-sbW_6VqdPDdc8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up USDC and native token balances for a wallet address on the Base blockchain","exampleAgentPrompt":"Can you check the USDC and ETH balances for wallet address 0x4a82F147c8A4339409C9097Adc1EedFd56E85bFE on the Base blockchain?","exampleUseCases":null,"resultDescription":"Returns a JSON object containing the queried chain name, wallet address, USDC balance as a decimal string, native token balance as a decimal string, a boolean indicating whether the chain/wallet combination is supported, and a confidence rating (e.g. 'high').","failureModes":["Invalid or malformed wallet address returns an error or unsupported flag","Unsupported chain identifier causes supported:false in response","Network timeout or Cloudflare Worker downtime returns 5xx error","Address with zero activity may return zero balances but still valid","x402 payment failure blocks the request before blockchain query is made"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call balance check on Base for both USDC and native tokens without setting up API keys. Prefer this over on-chain RPC calls when you want a simple REST interface with structured JSON output and confidence metadata. Ideal for AI agents that need to verify wallet balances as part of a workflow without managing Web3 provider infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:44:13.310Z","isFirstParty":false}