API Overview

eth_ Namespace

Data getters in this namespace operate in the L2 domain. They deal with L2 block numbers, check balances in L2, and more.

Method	Notes
eth_blockNumber
eth_chainId
eth_call
eth_estimateGas
eth_gasPrice
eth_newFilter	Maximum amount of installed filters is configurable
eth_newBlockFilter	Same as above
eth_newPendingTransactionsFilter	Same as above
eth_uninstallFilter
eth_getLogs	Maximum amount of returned entities can be configured
eth_getFilterLogs	Same as above
eth_getFilterChanges	Same as above
eth_getBalance
eth_getBlockByNumber
eth_getBlockByHash
eth_getBlockTransactionCountByNumber
eth_getBlockTransactionCountByHash
eth_getCode
eth_getStorageAt
eth_getTransactionCount
eth_getTransactionByHash
eth_getTransactionByBlockHashAndIndex
eth_getTransactionByBlockNumberAndIndex
eth_getTransactionReceipt
eth_protocolVersion
eth_sendRawTransaction
eth_syncing	ZKsync node is considered synced if it's less than 11 blocks behind the main node.
eth_coinbase	Always returns a zero address
eth_accounts	Always returns an empty list
eth_getCompilers	Always returns an empty list
eth_hashrate	Always returns zero
eth_getUncleCountByBlockHash	Always returns zero
eth_getUncleCountByBlockNumber	Always returns zero
eth_mining	Always returns false

PubSub

This is exclusively available on the WebSocket servers.

Method	Notes
eth_subscribe	Maximum amount of subscriptions is configurable
eth_subscription

net_ Namespace

Method	Notes
net_version
net_peer_count	Always returns 0
net_listening	Always returns false

web3_ Namespace

Method	Notes
web3_clientVersion

debug_ Namespace

This namespace provides a set of non-standard RPC methods for developers to inspect and debug calls and transactions. By default, this namespace is disabled but can be activated using the EN_API_NAMESPACES setting. Please refer to the configuration section for more details.

Method	Notes
debug_traceBlockByNumber
debug_traceBlockByHash
debug_traceCall
debug_traceTransaction

zks Namespace

This namespace holds rollup-specific extensions to the Web3 API. Only the methods documented are deemed public. Other methods in this namespace, though exposed, are not stable and may change without notice.

Method	Notes
zks_estimateFee
zks_estimateGasL1ToL2
zks_getAllAccountBalances
zks_getBlockDetails
zks_getBridgeContracts
zks_getBytecodeByHash
zks_getConfirmedTokens
zks_getL1BatchBlockRange
zks_getL1BatchDetails
zks_getL2ToL1LogProof
zks_getL2ToL1MsgProof
zks_getMainContract
zks_getRawBlockTransactions
zks_getTestnetPaymaster
zks_getTokenPrice
zks_getTransactionDetails
zks_L1BatchNumber
zks_L1ChainId

en Namespace

This namespace includes methods that ZKsync node call on the main node during syncing. If this namespace is active, other ENs can sync using this node.