Solana RPC Accounts API
Account-oriented JSON-RPC methods for the Solana blockchain. Provides getAccountInfo to return account state and metadata for one address, getBalance for lamport balances, getLargestAccounts for the 20 largest accounts by lamport balance, getMinimumBalanceForRentExemption to obtain lamports needed for rent-exempt status, getMultipleAccounts to retrieve details for several addresses simultaneously, and getProgramAccounts to return all accounts owned by a program with optional data filters.