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dt0ur.online Multi-Chain Wallet Balance Lookup
x402
dt0ur.online Multi-Chain Wallet Balance Lookup is a paid API for AI agents from dt0ur.online, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-03).
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.
Price / call$0.01
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
DeFi portfolio snapshot for a user
“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.”
Cross-chain treasury audit
“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.”
Monitor whale wallet holdings
“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.”
Technical details
Endpoint
POSThttps://dt0ur.online/api/onchain/balance?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| chain | string | EVM chain: base, ethereum, arbitrum, optimism, polygon, bsc (default base) |
| tokens | array | ERC-20 contract addresses to check (default: well-known tokens on the chain) |
| address | string | Wallet address (0x...) |
| include_zero | boolean | Include zero balances for default tokens |
Tags
x402
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Zero review prompt (fires after every successful call)
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