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Chain IDNetwork Name
1Ethereum Mainnet
10Optimism
56BNB Smart Chain
97BNB Smart Chain Testnet
137Polygon
143Monad
146Sonic
204opBNB
324zkSync Era
1284Moonbeam
5000Mantle
8453Base
10143Monad Testnet
11124Abstract
42161Arbitrum One
42170Arbitrum Nova
43114Avalanche
59144Linea
80094Berachain

Usage

Include the chainId parameter in your request body:
{
  "chainId": "1",
  "address": "0x..."
}
When making API requests, use the chain ID as a string value (e.g., "1" for Ethereum Mainnet or "56" for BNB Smart Chain).