{"uid":"cap__iHPM-_5M6cgAKijucgQj","slug":"tripguard-fare-intelligence-eth-balance-lookup-4a87d339","name":"TripGuard Fare Intelligence – ETH Balance Lookup","description":"Real-time airfare intelligence for AI travel-booking agents: flight price-drop prediction, fare-fraud and deal-legitimacy verification, and verified booking links for any route and date. Pay-per-call in USDC on Base. No API key.","url":"https://tripguard-fare-intel.onrender.com/chain/eth-balance?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"address":{"type":"string"}}},"responseSchema":{"type":"json","example":{"wei":"0","ether":"0.0","address":"0x9Cc774A8eD49d89cBA1A288F4a050B8F7FbA77EE"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.12","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":"$0.12/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.12","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.12","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yod_nuwK_Kmsvx1bh31Hs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.12","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the ETH balance (in wei and ether) for a given Ethereum wallet address on the Base network","exampleAgentPrompt":"Can you check the ETH balance for wallet address 0x9Cc774A8eD49d89cBA1A288F4a050B8F7FbA77EE and tell me how much ether it holds?","exampleUseCases":[{"title":"Pre-payment wallet funding check","prompt":"Before I send a transaction, check whether wallet 0x9Cc774A8eD49d89cBA1A288F4a050B8F7FbA77EE has enough ETH to cover gas — what's the current balance in ether?"},{"title":"Portfolio ETH balance monitoring","prompt":"What's the current ETH balance on my wallet 0xAbC123...456789? I want to know both the raw wei amount and the ether equivalent."},{"title":"On-chain audit of counterparty wallet","prompt":"I need to verify that the seller's wallet 0x1234567890abcdef1234567890abcdef12345678 actually holds ETH before we proceed — can you look up its balance right now?"}],"resultDescription":"A JSON object containing the wallet address queried, its ETH balance expressed in wei (as a string), and its ETH balance expressed in ether (as a decimal string), e.g. {\"wei\":\"0\",\"ether\":\"0.0\",\"address\":\"0x9Cc774...\"}","failureModes":["Invalid or malformed Ethereum address returns an error or zero balance","Network connectivity issues with the Base RPC endpoint may cause timeouts","Non-checksummed addresses may fail validation","Payment in USDC not fulfilled triggers a 402 response before any balance data is returned"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call ETH balance lookup for any Ethereum wallet address without setting up your own RPC node or managing API keys. It is best suited for lightweight, single-address spot checks rather than bulk or historical balance queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:39:59.738Z","isFirstParty":false,"canonicalSlug":"tripguard-fare-intelligence-eth-balance-lookup-4a87d339"}