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Agent Data Tools: ERC-20 Token Balance on Arbitrum
x402
Agent Data Tools: ERC-20 Token Balance on Arbitrum is a paid API for AI agents from agent-data-tools.revmesh2074.workers.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-19).
Returns the ERC-20 token balance for a given wallet address on the Arbitrum One network
Price / call$0.003
Success—
StatusUnknown
How this service works
ERC-20 token balance of a wallet on Arbitrum One (USDC, USDT, WETH or any token, via balanceOf): raw amount, decimals, symbol and the human-readable amount, live from the token contract. Use to check stablecoin or token holdings before a transfer or trade; for the native coin use arb_balance. Both inputs are 0x addresses (40 hex characters); no contract returns 404 and a non-ERC-20 contract 422, both uncharged.
Output
A JSON object containing the human-readable token balance (e.g. '2.5'), the raw on-chain balance string, the token symbol, decimal count, the wallet address queried, the token contract address, the chain name ('Arbitrum One'), and the numeric chain ID (42161).
Example use cases
DeFi portfolio balance check
“What's my USDC balance on Arbitrum for wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045? The USDC contract on Arbitrum is 0xaf88d065e77c8cC2239327C5EDb3A432268e5831.”
Smart contract fund verification
“Can you confirm how many ARB tokens (contract 0x912CE59144191C1204E64559FE8253a0e49E6548) are sitting in the multisig wallet 0x1234567890abcdef1234567890abcdef12345678 on Arbitrum One?”
Automated agent treasury monitoring
“Check the WETH balance on Arbitrum One for our treasury wallet 0xAbCd1234567890EfAbCd1234567890EfAbCd1234 — the WETH contract is 0x82aF49447D8a07e3bd95BD0d56f35241523fBab1.”
Technical details
Endpoint
GEThttps://agent-data-tools.revmesh2074.workers.dev/arb/token-balance?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to look up an ERC-20 token balance specifically on Arbitrum One without setting up an API key or account. It is ideal for lightweight, pay-per-call agent workflows that need on-chain Arbitrum data at minimal cost ($0.001 per call). Prefer this over general blockchain RPC calls when you want a clean, parsed JSON response with human-readable balance and token metadata already included.
Side effects
- Invalid or malformed token contract address returns an error or zero balance
- Invalid or malformed wallet address returns an error
- Token contract does not exist on Arbitrum One — returns error or empty result
- Network or RPC congestion may cause timeouts
- Payment failure (x402) — call is not charged if the payment step fails
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"raw": "2500000",
"chain": "Arbitrum One",
"token": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"symbol": "USDC",
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"balance": "2.5",
"chainId": 42161,
"decimals": 6
}
}Tags
x402
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