Fetch Balance

import { dynamicClient } from '<path to client file>';
import { ChainEnum } from '@dynamic-labs/sdk-api-core';

const wallet = dynamicClient.wallets.primary;

if (wallet) {
  const chainBalances = await dynamicClient.wallets.getMultichainBalances({
    balanceRequest: {
      filterSpamTokens: true,
      balanceRequests: [
        {
          address: wallet.address,
          chain: ChainEnum.Evm,
          networkIds: [1, 137, 56], // Ethereum, Polygon, BNB
        },
      ],
    },
  });
}

const totalUsd = chainBalances
  ?.flatMap((chain) => chain.networks)
  .flatMap((network) => network.balances ?? [])
  .reduce((sum, token) => sum + (token.marketValue ?? 0), 0);

import { dynamicClient } from '<path to client file>';

// Get balance for the primary wallet
const primary = dynamicClient.wallets.primary;
if (primary) {
  const { balance } = await dynamicClient.wallets.getBalance({ wallet: primary });
  // e.g. set state with balance
}