# klay

The namespace `klay` provides functions related to accounts, blocks, transactions, configurations of networks or nodes, filters, and so on. The list below enumerates the API functions that are currently supported in Klaytn.

### [계정](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/klay/account) <a href="#account" id="account"></a>

* [klay\_accountCreated](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/account#klay_accountcreated)
* [klay\_accounts](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/account#klay_accounts)
* [klay\_encodeAccountKey](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/account#klay_encodeaccountkey)
* [klay\_decodeAccountKey](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/account#klay_decodeaccountkey)
* [klay\_getAccount](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/account#klay_getaccount)
* [klay\_getAccountKey](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/account#klay_getaccountkey)
* [klay\_getBalance](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/account#klay_getbalance)
* [klay\_getCode](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/account#klay_getcode)
* [klay\_getTransactionCount](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/account#klay_gettransactioncount)
* [klay\_isContractAccount](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/account#klay_iscontractaccount)
* [klay\_sign](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/account#klay_sign)

### [블록](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/klay/block) <a href="#block" id="block"></a>

* [klay\_blockNumber](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_blocknumber)
* [klay\_getHeaderByNumber](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getheaderbynumber)
* [klay\_getHeaderByHash](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getheaderbyhash)
* [klay\_getBlockByNumber](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getblockbynumber)
* [klay\_getBlockByHash](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getblockbyhash)
* [klay\_getBlockReceipts](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getblockreceipts)
* [klay\_getBlockTransactionCountByNumber](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getblocktransactioncountbynumber)
* [klay\_getBlockTransactionCountByHash](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getblocktransactioncountbyhash)
* [klay\_getBlockWithConsensusInfoByHash](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getblockwithconsensusinfobyhash)
* [klay\_getBlockWithConsensusInfoByNumber](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getblockwithconsensusinfobynumber)
* [klay\_getCommittee](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getcommittee)
* [klay\_getCommitteeSize](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getcommitteesize)
* [klay\_getCouncil](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getcouncil)
* [klay\_getCouncilSize](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getcouncilsize)
* [klay\_getStorageAt](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getstorageat)
* [klay\_syncing](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_syncing)
* [klay\_getRewards](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/block#klay_getrewards)

### [트랜잭션](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/klay/transaction) <a href="#transaction" id="transaction"></a>

* [klay\_call](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_call)
* [klay\_estimateGas](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_estimategas)
* [klay\_estimateComputationCost](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_estimatecomputationcost)
* [klay\_getTransactionByBlockHashAndIndex](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_gettransactionbyblockhashandindex)
* [klay\_getTransactionByBlockNumberAndIndex](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_gettransactionbyblocknumberandindex)
* [klay\_getTransactionByHash](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_gettransactionbyhash)
* [klay\_getTransactionBySenderTxHash](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_gettransactionbysendertxhash)
* [klay\_getTransactionReceipt](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_gettransactionreceipt)
* [klay\_getTransactionReceiptBySenderTxHash](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_gettransactionreceiptbysendertxhash)
* [klay\_sendRawTransaction](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_sendrawtransaction)
* [klay\_sendTransaction](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_sendtransaction)
* [klay\_sendTransactionAsFeePayer](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_sendtransactionasfeepayer)
* [klay\_signTransaction](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_signtransaction)
* [klay\_signTransactionAsFeePayer](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_signtransactionasfeepayer)
* [klay\_getDecodedAnchoringTransactionByHash](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/transaction#klay_getDecodedAnchoringTransactionByHash)
* [klay\_resend](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/eth/transaction#klay_resend)

### [환경설정](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/klay/config) <a href="#configuration" id="configuration"></a>

* [klay\_chainID](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/config#klay_chainid)
* [klay\_clientVersion](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/config#klay_clientversion)
* [klay\_gasPrice](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/config#klay_gasprice)
* [klay\_gasPriceAt](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/config#klay_gaspriceat)
* [klay\_isParallelDBWrite](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/config#klay_isparalleldbwrite)
* [klay\_isSenderTxHashIndexingEnabled](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/config#klay_issendertxhashindexingenabled)
* [klay\_protocolVersion](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/config#klay_protocolversion)
* [klay\_rewardbase](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/config#klay_rewardbase)

### [Gas](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/klay/gas) <a href="#gas" id="gas"></a>

* [klay\_feeHistory](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/gas#klay_feehistory)
* [klay\_maxPriorityFeePerGas](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/gas#klay_maxpriorityfeepergas)

### [필터](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/klay/filter) <a href="#filter" id="filter"></a>

* [klay\_getFilterChanges](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/filter#klay_getfilterchanges)
* [klay\_getFilterLogs](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/filter#klay_getfilterlogs)
* [klay\_getLogs](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/filter#klay_getlogs)
* [klay\_newBlockFilter](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/filter#klay_newblockfilter)
* [klay\_newFilter](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/filter#klay_newfilter)
* [klay\_newPendingTransactionFilter](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/filter#klay_newpendingtransactionfilter)
* [klay\_subscribe](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/filter#klay_subscribe)
* [klay\_uninstallFilter](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/filter#klay_uninstallfilter)
* [klay\_unsubscribe](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/filter#klay_unsubscribe)

### [기타](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/klay/misc) <a href="#miscellaneous" id="miscellaneous"></a>

* [klay\_sha3](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/misc#klay_sha3)
* [klay\_recoverFromTransaction](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/misc#klay_recoverFromTransaction)
* [klay\_recoverFromMessage](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/misc#klay_recoverFromMessage)
* [klay\_forkStatus](https://archive-ko.docs.klaytn.foundation/content/dapp/json-rpc/api-references/misc#klay_forkStatus)