> ## Documentation Index > Fetch the complete documentation index at: https://www.helius.dev/docs/llms.txt > Use this file to discover all available pages before exploring further. # Solana RPC Methods and API Reference > Complete reference for all Solana JSON-RPC HTTP methods available through Helius. Account data, blocks, transactions, tokens, epochs, and system information. ## Account Information Retrieves information about an account from the blockchain. Retrieves information about multiple accounts in a single request. Returns all accounts owned by a specific program. Returns the balance of an account at the current time. Returns the minimum balance required to make an account rent exempt. Returns the accounts with the largest balances. ## Block Information Returns identity and transaction information about a confirmed block. Returns a list of confirmed blocks between two slots. Returns a list of confirmed blocks starting at a given slot with a limit. Returns the current block height of the node. Returns the estimated production time of a block. Returns commitment information for a block. Returns recent block production information. Returns the latest blockhash. Returns whether a blockhash is still valid or not. ## Transaction Information Returns transaction details for a confirmed transaction. Returns the current Transaction count from the ledger. Returns signatures for confirmed transactions that include the given address. Returns transaction history for an address with server-side filters and pagination. Returns token and native SOL transfer history for a wallet address. Returns the statuses of a list of signatures. Returns the fee for a message. ## Token Information Returns the token balance of an account. Returns all token accounts owned by the specified address. Returns all token accounts that delegate to the specified address. Returns the largest accounts for a specific token. Returns the total supply of a token. ## Slot Information Returns the current slot that the node is processing. Returns the identity of the current slot leader. Returns the slot leaders for a slot range. Returns the lowest slot that the node has information about. Returns the maximum slot seen from retransmit stage. Returns the maximum slot seen from shred insert. Returns the highest available snapshot slot. ## Epoch Information Returns information about the current epoch. Returns epoch schedule information. Returns the leader schedule for an epoch. ## Inflation & Rewards Returns the current inflation governor parameters. Returns the specific inflation values for the current epoch. Returns the inflation reward for a list of addresses for an epoch. ## System Information Returns the current health status of the node. Returns the identity pubkey for the current node. Returns the current software version running on the node. Returns information about all the nodes in the cluster. Returns the genesis hash. Returns the lowest slot that the node has information about. Returns a list of recent performance samples. Returns recent block hash fee information. Returns the current vote accounts. Returns information about the current supply. ## Stake Information Returns the minimum delegation required for staking. ## Transaction Submission Submits a signed transaction to the cluster for processing. Simulates the execution of a transaction. Requests an airdrop of lamports to a Pubkey.