Balance API Overview

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Go to console.chainbase.com to create an account and a new API key.

Supported chains by use case

When calling the Balance API, you can use the Network ID listed in the table below as the chain_id parameter. Balance API only supports EVM-compatible blockchains for now.

We will continue to add support for new blockchains. If there is a chain that you wish to support, but we do not, please let us know by reaching out to [email protected].

ChainNetwork IDTokenNFT
Ethereum1:white-check-mark::white-check-mark:
Polygon137:white-check-mark::white-check-mark:
BNB56:white-check-mark::white-check-mark:
Avalanche43114:white-check-mark::white-check-mark:
Arbitrum42161:white-check-mark::white-check-mark:
Optimism10:white-check-mark::white-check-mark:
Base8453:white-check-mark::white-check-mark:
ZkSync (preparing)324:white-check-mark::white-check-mark:

Balance API Endpoints by use case

Token Balances

EndpointWhat to use it for?
getAccountBalanceGet native token balance
getAccountTokensGet ERC20 token balance

NFT Balances

EndpointWhat to use it for?
getAccountNFTsGet NF