{"uid":"cap_6WIFmbPqYKY_75Zd2xtz5","slug":"free-asset-radar-x402-base-wallet-balance-350ccb86","name":"Free Asset Radar x402 – Base Wallet Balance","description":"Stable edge-hosted x402 utilities for autonomous agents.","url":"https://free-asset-radar-x402.besenok2018.workers.dev/api/x402/base-wallet-balance?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"eth":"0","usdc":"0","tokens":[],"network":"eip155:8453"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/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_8lC4IW4yv5pOo4ynHFcuw","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the ETH, USDC, and token balances of a wallet address on the Base network (EIP-155 chain 8453)","exampleAgentPrompt":"What's the current ETH and USDC balance for wallet 0xAbC123...def on Base mainnet?","exampleUseCases":[{"title":"Pre-payment balance verification","prompt":"Before I send that 50 USDC payment, can you check whether my Base wallet 0xAbC123...def actually has enough USDC to cover it?"},{"title":"Portfolio snapshot for Base holdings","prompt":"Give me a snapshot of all the ETH, USDC, and any other tokens sitting in my Base wallet 0x742d35Cc...4321 right now."},{"title":"Autonomous agent treasury check","prompt":"My agent needs to know how much ETH is left in its operating wallet 0xDeAdBeEf...9999 on Base before it triggers the next on-chain action."}],"resultDescription":"A JSON object containing the wallet's ETH balance (as a string), USDC balance (as a string), an array of additional token holdings, and the network identifier ('eip155:8453' for Base mainnet).","failureModes":["Invalid or missing wallet address returns empty balances or an error","Wallet with zero activity returns 0 for ETH and USDC with an empty tokens array","Network congestion or RPC downtime may cause delayed or failed responses","Malformed address format results in a request error","Non-Base EVM addresses return no data as only Base (eip155:8453) is supported"],"whenToPreferThis":"Use this endpoint when you need a lightweight, pay-per-call balance lookup specifically on Base mainnet (EIP-155 chain 8453) without setting up your own RPC node. It is ideal for autonomous agents that need to verify wallet funds before executing a transaction, for portfolio monitoring bots, or for any workflow requiring real-time on-chain balance data on Base with minimal setup overhead. Prefer alternatives if you need multi-chain balance aggregation or historical balance data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:40:09.427Z","isFirstParty":false,"canonicalSlug":"free-asset-radar-x402-base-wallet-balance-350ccb86"}