chain_balance
[Trading Data API] Native-token balance (ETH/POL) for any address or ENS name on Ethereum, Base, Arbitrum, Optimism or Polygon — Native-token balance (ETH/POL) for any address or ENS name on Ethereum, Base, Arbitrum, Optimism or Polygon. Live from the chain over redundant RPCs — wei plus formatted units.
Example: /v1/chain-balance?address=vitalik.eth&chain=ethereum
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| chain | No | Optional. ethereum, base, arbitrum, optimism, polygon (default base). | |
| address | Yes | Required. A 0x address or an ENS name (e.g. vitalik.eth). |