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Lighter Get Account
ActionGet Lighter account overview by L1 address or account index: account index(es), USDC collateral, available balance, and open perpetual positions with entry price, size, and PnL. Looks up all sub-accounts of an address in one call; falls back to the connected wallet when no address is given (Lighter account state is public, so any address can be queried). Ideal for: balance gates before trading, position monitoring, PnL alerts, and portfolio dashboards.