{"uid":"cap_URnSbfcB3SfelEPe8CEkF","slug":"molcloud-crypto-wallet-balance-lookup-2fa465b3","name":"MolCloud Crypto Wallet Balance Lookup","description":"41 pay-per-request AI, search, headless browser, crypto alpha & memory APIs for autonomous agents settling in USDC on Base via x402 v2.","url":"https://api.molcloud.net/api/crypto/wallet?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","queryParams"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"EVM wallet address (0x...)"},"network":{"enum":["mainnet","sepolia"],"type":"string","default":"mainnet"}}}}},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["status","endpoint"],"properties":{"data":{"type":"object"},"payer":{"type":"string"},"status":{"enum":["success"],"type":"string"},"endpoint":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"data":{"ethBalance":"0.15","usdcBalance":"250.00"},"status":"success","endpoint":"/api/crypto/wallet"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_h3LcB44qLIIzAVzAktd67","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","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 token balances for a given EVM wallet address on mainnet or Sepolia testnet.","exampleAgentPrompt":"What's the current ETH and USDC balance for wallet 0x742d35Cc6634C0532925a3b8D4C9C0B9A1234abc on mainnet?","exampleUseCases":[{"title":"Pre-transaction balance check","prompt":"Before I send that payment, can you check if wallet 0xABC123...def456 has enough USDC on mainnet to cover it?"},{"title":"Agent treasury monitoring","prompt":"What are the current ETH and USDC balances for my agent's treasury wallet 0x1234abcd...5678ef on mainnet?"},{"title":"Testnet wallet verification","prompt":"Check the ETH and USDC balances on Sepolia testnet for wallet address 0xDEAD...BEEF so I can confirm my test funds arrived."}],"resultDescription":"A JSON object containing the wallet's ETH balance and USDC balance as decimal strings (e.g. ethBalance: '0.15', usdcBalance: '250.00'), along with a success status and the endpoint path.","failureModes":["Invalid or malformed wallet address (non-0x format) returns an error","Unsupported network value returns a validation error","Network RPC unavailable or timeout may cause a failed lookup","Address not found on specified network returns zero balances","Payment of $0.005 USDC not settled via x402 results in 402 response"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to quickly look up on-chain ETH and USDC balances for any EVM-compatible wallet address on Ethereum mainnet or Sepolia testnet, especially within a pay-per-request x402 micropayment workflow. Prefer this over block explorer scraping or running a full node query when lightweight, low-cost, agent-native balance lookups are needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T12:39:10.309Z","isFirstParty":false,"canonicalSlug":"molcloud-crypto-wallet-balance-lookup-2fa465b3"}