{"uid":"cap_b79Jz9g10IXRlucY_ip78","slug":"saylor-innovations-evm-wallet-balance-arbitrum-7c6bbbe0","name":"Saylor Innovations EVM Wallet Balance (Arbitrum)","description":"EVM Wallet Balances (arbitrum). Arbitrum ERC-20 token balance and native ETH balance for any wallet: up to 20 ERC-20 tokens (?tokens=) in one call, with symbols, decimals and human-readable amounts. Live chain head.","url":"https://saylorinnovations.com/api/evm/arbitrum/balance/:address?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8khuP5aUvM5Mrmq4UKjLr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the native token balance of an Arbitrum wallet address by querying on-chain data.","exampleAgentPrompt":"What's the current native token balance on Arbitrum for the wallet address 0x742d35Cc6634C0532925a3b8D4C9b9C6d1d2e3f4?","exampleUseCases":[{"title":"Pre-transaction balance verification","prompt":"Before I send a payment on Arbitrum, can you check the current ETH balance on-chain for wallet 0x742d35Cc6634C0532925a3b8D4C9b9C6d1d2e3f4 to make sure there are enough funds?"},{"title":"DeFi portfolio snapshot","prompt":"I'm building a snapshot of my DeFi holdings — can you pull the native Arbitrum balance for my wallet 0xAbCd1234EfGh5678IjKl9012MnOp3456QrSt7890?"},{"title":"Monitoring a smart contract wallet","prompt":"Keep an eye on this Arbitrum address 0x1A2B3C4D5E6F7A8B9C0D1E2F3A4B5C6D7E8F9A0B and let me know its current on-chain native token balance."}],"resultDescription":"Returns the native token (ETH) balance held by the specified Arbitrum wallet address, expressed as an on-chain value. This reflects the actual confirmed balance at the time of query.","failureModes":["Invalid or malformed wallet address returns an error or empty response","Unresponsive Arbitrum node may cause timeout or service unavailability","Non-checksummed address may cause lookup failure on some implementations","Zero balance returned for newly created or unfunded addresses — valid but may be confused with an error"],"whenToPreferThis":"Use this endpoint when you specifically need the native token balance (ETH) of an Arbitrum L2 wallet address, rather than token balances (ERC-20) or balances on other chains such as Ethereum mainnet or Polygon. It is ideal for lightweight, per-address balance checks without needing a full indexer or node subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T00:48:44.446Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-evm-wallet-balance-arbitrum-7c6bbbe0"}