eth_gasPrice

Returns the current gas price on zkSync Era in wei.

Why zkSync? Build on Matter Labs' flagship zkEVM powering the Elastic Network of interoperable hyperchains with ZK Stack modular framework, hyperchain interoperability, native account abstraction, and $1.9B in tokenized real-world assets.

Use Cases

The eth_gasPrice method is essential for:

• Transaction pricing - Set appropriate gas prices
• Cost estimation - Calculate transaction costs before sending
• Gas monitoring - Track network congestion
• DeFi operations - Optimize costs for RWA tokenization ($1.9B, 25% market share), hyperchain deployment via ZK Stack, and cross-chain DeFi

Parameters

This method accepts no parameters.

Request

{
  "jsonrpc": "2.0",
  "method": "eth_gasPrice",
  "params": [],
  "id": 1
}

Returns

Type	Description
QUANTITY	Current gas price in wei (hexadecimal)

Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x3b9aca00"
}

Note: 0x3b9aca00 = 1 Gwei (1,000,000,000 wei)

Code Examples

cURL

curl -X POST https://api-zksync-era-mainnet-full.n.dwellir.com/YOUR_API_KEY \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_gasPrice",
    "params": [],
    "id": 1
  }'

JavaScript

import { JsonRpcProvider, formatUnits } from 'ethers';

const provider = new JsonRpcProvider('https://api-zksync-era-mainnet-full.n.dwellir.com/YOUR_API_KEY');

const feeData = await provider.getFeeData();
const gasPrice = feeData.gasPrice;

console.log('Gas Price:', formatUnits(gasPrice, 'gwei'), 'Gwei');

// Calculate transaction cost
async function estimateTransactionCost(gasLimit) {
  const feeData = await provider.getFeeData();
  const cost = feeData.gasPrice * BigInt(gasLimit);
  return formatUnits(cost, 'ether');
}

const cost = await estimateTransactionCost(21000);
console.log('Transfer cost:', cost, 'ETH');

Python

from web3 import Web3

w3 = Web3(Web3.HTTPProvider('https://api-zksync-era-mainnet-full.n.dwellir.com/YOUR_API_KEY'))

gas_price = w3.eth.gas_price
print(f'Gas Price: {w3.from_wei(gas_price, "gwei")} Gwei')

# Calculate transaction cost
def estimate_transaction_cost(gas_limit):
    gas_price = w3.eth.gas_price
    cost = gas_price * gas_limit
    return w3.from_wei(cost, 'ether')

cost = estimate_transaction_cost(21000)
print(f'Transfer cost: {cost} ETH')

Go

package main

import (
    "context"
    "fmt"
    "log"
    "math/big"

    "github.com/ethereum/go-ethereum/ethclient"
)

func main() {
    client, err := ethclient.Dial("https://api-zksync-era-mainnet-full.n.dwellir.com/YOUR_API_KEY")
    if err != nil {
        log.Fatal(err)
    }

    gasPrice, err := client.SuggestGasPrice(context.Background())
    if err != nil {
        log.Fatal(err)
    }

    // Convert to Gwei
    gwei := new(big.Float).Quo(
        new(big.Float).SetInt(gasPrice),
        big.NewFloat(1e9),
    )

    fmt.Printf("Gas Price: %f Gwei\n", gwei)
}

Error Handling

Error Code	Message	Description
-32603	Internal error	Node error

Related Methods

• eth_maxPriorityFeePerGas - Get priority fee (EIP-1559)
• eth_feeHistory - Get historical fee data
• eth_estimateGas - Estimate gas needed