RPC method

eth_estimateGas on zkSync Era

Not measured on SwiftNodes

Everything below was measured on 2026-10-13 by calling eth_estimateGas on zkSync Era through the same endpoint customers use, and is re-measured weekly.

What eth_estimateGas does

Runs a transaction against current state and returns the gas it would use, so you can set a gas limit. If the transaction would revert or the sender cannot pay, the node returns an error instead of a number.

On zkSync Era

We have no current measurement of eth_estimateGas on zkSync Era.

Other methods on zkSync Era

eth_blockNumberSupported
eth_chainIdSupported
eth_getBalanceSupported
eth_getBlockByNumberSupported
eth_getTransactionByHashSupported
eth_getTransactionReceiptSupported
eth_callSupported
eth_gasPriceSupported
eth_maxPriorityFeePerGasSupported
eth_sendRawTransactionSupported
eth_getTransactionCountSupported
eth_getCodeSupported
eth_subscribeSupported
eth_getLogsSupported
eth_getBlockReceiptsSupported
eth_feeHistorySupported
eth_getProofNot available
eth_createAccessListNot available
debug_traceCallSupported
trace_blockNot available
trace_transactionNot available

eth_estimateGas on other chains

Frequently asked questions

Does zkSync Era support eth_estimateGas?

eth_estimateGas was not measured on our zkSync Era endpoint in the latest probe (2026-10-13).

zkSync Era endpoints, live block height and WebSocket status are on the zkSync Era RPC page.

One key covers every chain we serve, and SwiftNodes has a free tier.