{"uid":"cap_H5h8tUl45wRmiajtWF3R8","slug":"gpuops-blockchain-balance-api-5c0ef680","name":"GPUOps Blockchain Balance API","description":"Multi-chain blockchain data API. 7 chains. x402 pay-per-call with USDC on Base.","url":"https://chain.gpuops.io/v1/balance","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"type":"string"},"address":{"type":"string"}}},"responseSchema":null,"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_N-9klDNPKS_zRza8zpef-","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":"Retrieves the native token balance for a wallet address on a specified blockchain network across 7 supported chains","exampleAgentPrompt":"Can you check the native token balance for wallet address 0xAbC123...def456 on Ethereum using the GPUOps multi-chain API?","exampleUseCases":[{"title":"Pre-transaction wallet funding check","prompt":"Before I send this transaction, can you check whether wallet 0x1234567890abcdef1234567890abcdef12345678 has enough balance on Polygon?"},{"title":"Portfolio balance snapshot across chains","prompt":"Look up the native token balance for 0xDeAdBeEf0000000000000000000000000000dEaD on Base — I want to see how much ETH equivalent is sitting there."},{"title":"Monitoring a smart contract treasury","prompt":"Can you pull the current native balance for address 0xAaBbCcDd11223344AaBbCcDd11223344AaBbCcDd on Arbitrum so I can track how much is left in the treasury?"}],"resultDescription":"Returns the native token balance held by the specified wallet address on the requested blockchain chain, expressed as a numeric amount in the chain's native token unit.","failureModes":["Invalid or malformed wallet address returns an error response","Unsupported chain identifier causes a rejection or empty result","Payment failure via x402/USDC results in a 402 response and no data returned","Network congestion or node unavailability may cause timeouts","Address with no activity may return zero balance without error"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call native token balance lookup across any of 7 supported blockchain networks without needing to maintain a node or subscription. It is ideal for agents that need occasional on-chain reads at very low cost ($0.001 per call) and want multi-chain support in a single API surface. Prefer alternatives if you need ERC-20 token balances, transaction history, or high-volume batch queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:38:46.999Z","isFirstParty":false}