{"uid":"cap_dqqLkOcHFl1uWB99wiSyZ","slug":"etherscan-account-balance-via-stablecrypto-d094166c","name":"Etherscan Account Balance via StableCrypto","description":"Pay-per-request access to CoinGecko, DefiLlama, Alchemy, and Etherscan APIs. No auth, no subscriptions.","url":"https://stablecrypto.dev/api/etherscan/account/balance","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"tag":{"type":"string","description":"Block tag (e.g. \"latest\")"},"address":{"type":"string","description":"Wallet address"},"chainid":{"type":"number","description":"EVM chain ID (1=Ethereum, 137=Polygon, 8453=Base, etc.)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bgdF8MoChVJ6NEJjHRxjP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the ETH (or native token) balance for a given wallet address on any EVM-compatible chain using Etherscan-style account balance lookup","exampleAgentPrompt":"What's the current ETH balance for wallet address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum mainnet (chain ID 1)?","exampleUseCases":null,"resultDescription":"Returns the native token balance (e.g. ETH, MATIC, or ETH on Base) for the specified wallet address on the given EVM chain, typically as a numeric value in wei or a human-readable unit, as of the specified block tag (defaulting to latest).","failureModes":["Invalid or malformed wallet address returns an error or zero balance","Unsupported chain ID returns an error or empty response","Rate limiting or upstream Etherscan API unavailability causes a 5xx error","Missing required fields (address or chainid) returns a validation error","Address with no on-chain activity may return zero balance without error"],"whenToPreferThis":"Use this endpoint when you need a quick, low-cost lookup of a wallet's native token balance on any EVM chain. Prefer this over full portfolio endpoints when you only need the base ETH/native balance (not ERC-20 tokens or NFTs), and when you want a straightforward Etherscan-style balance check without aggregating multi-token data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:53:09.262Z","isFirstParty":false}