{"uid":"cap_-g068CYgZF2aJJPwerqC6","slug":"dt0ur-online-multi-chain-wallet-balance-lookup-23a590f0","name":"dt0ur.online Multi-Chain Wallet Balance Lookup","description":"Wallet balance lookup for any address on base, ethereum, arbitrum, optimism, polygon, bsc: native coin plus ERC-20 token balances (USDC, USDT, WETH, DAI, cbBTC or any tokens you pass) with live USD prices and total portfolio value, in one call.","url":"https://dt0ur.online/api/onchain/balance?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["base","ethereum","arbitrum","optimism","polygon","bsc"],"type":"string","default":"base","description":"EVM chain: base, ethereum, arbitrum, optimism, polygon, bsc (default base)"},"tokens":{"type":"array","items":{"type":"string"},"maxItems":25,"description":"ERC-20 contract addresses to check (default: well-known tokens on the chain)"},"address":{"type":"string","description":"Wallet address (0x...)"},"include_zero":{"type":"boolean","default":false,"description":"Include zero balances for default tokens"}}},"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_yNKDCjr24qhPD6yOc04Yg","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 native coin and ERC-20 token balances with live USD prices and total portfolio value for any wallet address across six EVM chains in a single call.","exampleAgentPrompt":"What's the current balance of wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum — show me the native ETH plus USDC, USDT, DAI, and WETH holdings with their live USD values and the total portfolio value.","exampleUseCases":[{"title":"DeFi portfolio snapshot for a user","prompt":"Can you pull up the full wallet balance for 0xAbCd1234...on Base, including USDC, USDT, and WETH balances with current USD prices? I want to see the total portfolio value."},{"title":"Cross-chain treasury audit","prompt":"Fetch the native coin and all default ERC-20 token balances for address 0x1234...on Arbitrum, and tell me the total USD value — I need to audit this wallet's on-chain holdings."},{"title":"Monitor whale wallet holdings","prompt":"Look up the balance of 0xBEEF...on Polygon and show me every token it holds including USDC, DAI, and WETH with live USD prices — include zero balances too so I get a complete picture."}],"resultDescription":"Returns a breakdown of the wallet's native coin balance (e.g. ETH, MATIC, BNB), balances for each requested or default ERC-20 token (USDC, USDT, WETH, DAI, cbBTC, etc.) with live USD prices per token, and a computed total portfolio value in USD — all in a single response.","failureModes":["Invalid or malformed wallet address returns an error","Unsupported chain value returns validation error","Requested ERC-20 contract address does not exist on the selected chain — balance returned as zero or error","Network/RPC timeout for a specific chain may delay or fail the response","Exceeding 25 token addresses in the tokens array returns a validation error","Stale or unavailable price feed may cause USD values to be missing or approximate"],"whenToPreferThis":"Use this endpoint when you need a one-call multi-token portfolio snapshot for any EVM wallet, especially when you want native coin + ERC-20 balances with live USD pricing across Base, Ethereum, Arbitrum, Optimism, Polygon, or BSC. Prefer this over general blockchain explorers when you need structured, agent-consumable data with USD values already computed, and over custom RPC calls when you want aggregated results without managing multiple contract calls.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T00:47:57.775Z","isFirstParty":false,"canonicalSlug":"dt0ur-online-multi-chain-wallet-balance-lookup-23a590f0"}