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ERC-20 Token Metadata Lookup
x402
ERC-20 Token Metadata Lookup is a paid API for AI agents from x402.agentutility.ai, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Returns on-chain metadata for an ERC-20 token (name, symbol, decimals, total supply, explorer URL) given a contract address and chain.
Price / call$0.005
Success—
StatusUnknown
How this service works
Paid x402 endpoints organized into product clusters. USDC-settled on Base. MCP-callable. ERC-8004 identity registry agentId 47167.
Output
A JSON object containing the token's human-readable name, ticker symbol, number of decimals, chain name, chain ID, contract address, total supply as a formatted decimal string, total supply as a raw integer string, and a block explorer URL pointing to the token on Basescan or equivalent.
Example use cases
Example prompt
“What are the name, symbol, decimals, and total supply for the ERC-20 token at contract address 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 on the Base chain (chain ID 8453)?”
Technical details
Endpoint
POSThttps://x402.agentutility.ai/erc20-metadataWhen to prefer
Use this endpoint when you need authoritative on-chain ERC-20 token metadata — name, symbol, decimals, total supply — without querying a centralized token list. Prefer it over CoinGecko or CoinMarketCap when you need raw contract-level data (especially decimals and raw total supply) for a specific chain like Base, or when integrating into an x402/USDC agent payment pipeline.
Side effects
- Invalid or non-ERC-20 contract address returns an error or empty fields
- Unsupported chain identifier causes a rejection or unknown chain error
- Payment not settled (x402 underpayment) results in 402 Payment Required
- Node RPC timeout causes a delayed or failed response
- Token with non-standard metadata (e.g. missing name/symbol) may return partial data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"name": "USD Coin",
"block": "latest",
"chain": "base",
"token": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"symbol": "USDC",
"chain_id": 8453,
"decimals": 6,
"explorer_url": "https://basescan.org/token/0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"total_supply": "5234567890.123456",
"total_supply_raw": "5234567890123456"
}
}Tags
x402
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