Supported Chains

Blockchain networks supported by the Address Classification endpoint

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

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).