dynamicClient.wallets.getBalance() method. You can get the balance for the primary wallet or any specific wallet instance.
React Native
Multichain Balances
For applications that need to fetch token balances across multiple blockchain networks simultaneously, Dynamic provides agetMultichainBalances method. This is useful for displaying comprehensive portfolio views or checking balances across different chains without making separate API calls.
In React Native, use the getMultichainBalances method on the wallets module:
React Native