# HTTP Methods > Every Solana JSON-RPC method on constant-k, with parameters, examples and a live playground. Source: https://docs.constant-k.com/rpc/http/ {/* Generated by scripts/gen-rpc.mjs. Do not edit. */} JSON-RPC 2.0 requests use `POST` to a regional endpoint, with the API key in the `api-key` query parameter or the `x-api-key` header. ```bash title="Endpoints" https://rpc-newyork.constant-k.com/?api-key=YOUR_API_KEY # New York https://rpc-frankfurt.constant-k.com/?api-key=YOUR_API_KEY # Frankfurt https://rpc-amsterdam.constant-k.com/?api-key=YOUR_API_KEY # Amsterdam ``` ## Accounts | Method | Description | Plans | | ----------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------- | ---------------------- | | [`getAccountInfo`](https://docs.constant-k.com/rpc/http/getaccountinfo/) | Returns all information associated with a single account, including its data, owner and balance. | All plans | | [`getBalance`](https://docs.constant-k.com/rpc/http/getbalance/) | Returns the lamport balance of an account. | All plans | | [`getMinimumBalanceForRentExemption`](https://docs.constant-k.com/rpc/http/getminimumbalanceforrentexemption/) | Returns the minimum lamport balance an account of a given size needs to be rent-exempt. | All plans | | [`getMultipleAccounts`](https://docs.constant-k.com/rpc/http/getmultipleaccounts/) | Returns account info for up to 100 addresses in a single call. | Operator and above | | [`getProgramAccounts`](https://docs.constant-k.com/rpc/http/getprogramaccounts/) | Returns every account owned by a program, optionally narrowed by size and byte-content filters. | Blade Runner and above | | [`getProgramAccountsV2`](https://docs.constant-k.com/rpc/http/getprogramaccountsv2/) | Page through a program's accounts in fixed-size chunks using a cursor, instead of one unbounded response. | Blade Runner and above | ## Tokens | Method | Description | Plans | | --------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------ | ---------------------- | | [`getTokenAccountBalance`](https://docs.constant-k.com/rpc/http/gettokenaccountbalance/) | Returns the token balance of a single SPL Token or Token-2022 account. | All plans | | [`getTokenAccountsByDelegate`](https://docs.constant-k.com/rpc/http/gettokenaccountsbydelegate/) | Returns every token account that has approved a given address as its delegate. | All plans | | [`getTokenAccountsByOwner`](https://docs.constant-k.com/rpc/http/gettokenaccountsbyowner/) | Returns every token account owned by a given wallet, optionally filtered to one mint or token program. | Operator and above | | [`getTokenLargestAccounts`](https://docs.constant-k.com/rpc/http/gettokenlargestaccounts/) | Returns the 20 largest token accounts of an SPL Token or Token-2022 mint, by balance. | Blade Runner and above | | [`getTokenSupply`](https://docs.constant-k.com/rpc/http/gettokensupply/) | Returns the total supply of an SPL Token or Token-2022 mint. | All plans | ## Transactions | Method | Description | Plans | | --------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------- | ------------------ | | [`getSignaturesForAddress`](https://docs.constant-k.com/rpc/http/getsignaturesforaddress/) | Returns recent transaction signatures that touched a given address, newest first. | Operator and above | | [`getSignatureStatuses`](https://docs.constant-k.com/rpc/http/getsignaturestatuses/) | Returns the confirmation status of up to 100 transaction signatures. | Operator and above | | [`getTransaction`](https://docs.constant-k.com/rpc/http/gettransaction/) | Returns full details for a single confirmed transaction by signature. | All plans | | [`getTransactionCount`](https://docs.constant-k.com/rpc/http/gettransactioncount/) | Returns the total number of transactions ever processed by the cluster. | All plans | | [`sendTransaction`](https://docs.constant-k.com/rpc/http/sendtransaction/) | Submits a signed transaction to the cluster and returns its signature immediately. | All plans | | [`simulateTransaction`](https://docs.constant-k.com/rpc/http/simulatetransaction/) | Runs a transaction against current bank state without submitting it, returning logs, balance changes and any error. | All plans | ## Fees & Blockhash | Method | Description | Plans | | ----------------------------------------------------------------------- | ------------------------------------------------------------------------------------------- | ------------------ | | [`getFeeForMessage`](https://docs.constant-k.com/rpc/http/getfeeformessage/) | Returns the fee, in lamports, that a compiled transaction message would cost right now. | All plans | | [`getLatestBlockhash`](https://docs.constant-k.com/rpc/http/getlatestblockhash/) | Returns a recent blockhash and the last block height it remains valid through. | Operator and above | | [`getRecentPrioritizationFees`](https://docs.constant-k.com/rpc/http/getrecentprioritizationfees/) | Returns per-slot prioritization fees paid recently, optionally scoped to a set of accounts. | All plans | | [`isBlockhashValid`](https://docs.constant-k.com/rpc/http/isblockhashvalid/) | Checks whether a blockhash is still recent enough to be accepted by the network. | All plans | ## Blocks | Method | Description | Plans | | ------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------- | ---------------------- | | [`getBlock`](https://docs.constant-k.com/rpc/http/getblock/) | Returns full details for a confirmed block by slot number. | All plans | | [`getBlockCommitment`](https://docs.constant-k.com/rpc/http/getblockcommitment/) | Returns the stake-weighted vote commitment history for a specific block. | All plans | | [`getBlockHeight`](https://docs.constant-k.com/rpc/http/getblockheight/) | Returns the current block height the node has processed. | All plans | | [`getBlockProduction`](https://docs.constant-k.com/rpc/http/getblockproduction/) | Returns per-validator block production stats (slots led vs. blocks actually produced) for a slot range. | All plans | | [`getBlocks`](https://docs.constant-k.com/rpc/http/getblocks/) | Returns confirmed block slot numbers within a given range, skipping any slots that were never produced. | Blade Runner and above | | [`getBlocksWithLimit`](https://docs.constant-k.com/rpc/http/getblockswithlimit/) | Returns up to `limit` confirmed block slot numbers starting from a given slot. | Blade Runner and above | | [`getBlockTime`](https://docs.constant-k.com/rpc/http/getblocktime/) | Returns the estimated production time of a confirmed block. | All plans | | [`getFirstAvailableBlock`](https://docs.constant-k.com/rpc/http/getfirstavailableblock/) | Returns the oldest block from which every later block can be retrieved with getBlock. | All plans | ## Slots & Epochs | Method | Description | Plans | | ----------------------------------------------------------------------- | ------------------------------------------------------------------------------------ | --------- | | [`getEpochInfo`](https://docs.constant-k.com/rpc/http/getepochinfo/) | Returns information about the current epoch, including progress through it. | All plans | | [`getEpochSchedule`](https://docs.constant-k.com/rpc/http/getepochschedule/) | Returns the cluster's epoch-length parameters. | All plans | | [`getHighestSnapshotSlot`](https://docs.constant-k.com/rpc/http/gethighestsnapshotslot/) | Returns the highest full and incremental snapshot slots the node has generated. | All plans | | [`getLeaderSchedule`](https://docs.constant-k.com/rpc/http/getleaderschedule/) | Returns the full slot-leader assignment for an epoch, grouped by validator identity. | All plans | | [`getMaxRetransmitSlot`](https://docs.constant-k.com/rpc/http/getmaxretransmitslot/) | Returns the highest slot the node has seen and retransmitted shreds for. | All plans | | [`getMaxShredInsertSlot`](https://docs.constant-k.com/rpc/http/getmaxshredinsertslot/) | Returns the highest slot the node has inserted shreds for into its blockstore. | All plans | | [`getRecentPerformanceSamples`](https://docs.constant-k.com/rpc/http/getrecentperformancesamples/) | Returns recent per-sample-period throughput statistics for the cluster. | All plans | | [`getSlot`](https://docs.constant-k.com/rpc/http/getslot/) | Returns the current slot the node has processed. | All plans | | [`getSlotLeader`](https://docs.constant-k.com/rpc/http/getslotleader/) | Returns the identity of the current slot leader. | All plans | | [`getSlotLeaders`](https://docs.constant-k.com/rpc/http/getslotleaders/) | Returns the slot leader for each slot in a forward-looking range. | All plans | | [`minimumLedgerSlot`](https://docs.constant-k.com/rpc/http/minimumledgerslot/) | Returns the oldest slot the region's ledger holds. | All plans | ## Network & Cluster | Method | Description | Plans | | ----------------------------------------------- | -------------------------------------------------------------------------------------------- | --------- | | [`getClusterNodes`](https://docs.constant-k.com/rpc/http/getclusternodes/) | Lists every node visible in the cluster's gossip network, with its ports and client version. | All plans | | [`getGenesisHash`](https://docs.constant-k.com/rpc/http/getgenesishash/) | Returns the genesis hash that identifies which cluster the node belongs to. | All plans | | [`getHealth`](https://docs.constant-k.com/rpc/http/gethealth/) | Reports whether the RPC node is caught up with the cluster and safe to send traffic to. | All plans | | [`getIdentity`](https://docs.constant-k.com/rpc/http/getidentity/) | Returns the identity public key of the node that answers the request. | All plans | | [`getVersion`](https://docs.constant-k.com/rpc/http/getversion/) | Returns the software version and feature set of the node that answers the request. | All plans | ## Staking & Inflation | Method | Description | Plans | | ------------------------------------------------------------------- | ----------------------------------------------------------------------------------------- | ---------------------- | | [`getInflationGovernor`](https://docs.constant-k.com/rpc/http/getinflationgovernor/) | Returns the cluster's inflation schedule parameters (initial rate, taper, terminal rate). | All plans | | [`getInflationRate`](https://docs.constant-k.com/rpc/http/getinflationrate/) | Returns the specific inflation rate values in effect for the current epoch. | All plans | | [`getInflationReward`](https://docs.constant-k.com/rpc/http/getinflationreward/) | Returns the inflation reward paid to a list of stake accounts for a given epoch. | All plans | | [`getStakeMinimumDelegation`](https://docs.constant-k.com/rpc/http/getstakeminimumdelegation/) | Returns the minimum number of lamports required to delegate a stake account. | All plans | | [`getSupply`](https://docs.constant-k.com/rpc/http/getsupply/) | Returns total and circulating SOL supply, plus the list of non-circulating accounts. | Blade Runner and above | | [`getVoteAccounts`](https://docs.constant-k.com/rpc/http/getvoteaccounts/) | Returns the current and delinquent vote accounts, with their stake and voting history. | All plans |