eth_gasPrice - BSC

Example code for the eth_gasPrice JSON RPC method. Сomplete guide on how to use eth_gasPrice JSON RPC in GetBlock Web3 documentation.

This method returns the current gas price on the BNB Smart Chain in wei. BSC is known for its low transaction fees, typically around $0.10 or less per transaction. This method is essential for calculating transaction costs and setting appropriate gas prices.

Parameters

None

Request Example

cURL

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "eth_gasPrice",
    "params": [],
    "id": "getblock.io"
}'

JavaScript (Axios)

const axios = require('axios');

const url = 'https://go.getblock.io/<ACCESS-TOKEN>/';

const payload = {
    jsonrpc: '2.0',
    method: 'eth_gasPrice',
    params: [],
    id: 'getblock.io'
};

axios.post(url, payload, {
    headers: { 'Content-Type': 'application/json' }
})
.then(response => {
    const gasPriceWei = parseInt(response.data.result, 16);
    const gasPriceGwei = gasPriceWei / 1e9;
    console.log('Gas Price:', gasPriceGwei, 'Gwei');
})
.catch(error => console.error(error));

Python

import requests
import json

url = "https://go.getblock.io/<ACCESS-TOKEN>/"

payload = {
    "jsonrpc": "2.0",
    "method": "eth_gasPrice",
    "params": [],
    "id": "getblock.io"
}

response = requests.post(url, headers={"Content-Type": "application/json"}, json=payload)
gas_price_wei = int(response.json()["result"], 16)
gas_price_gwei = gas_price_wei / 1e9
print(f"Gas Price: {gas_price_gwei} Gwei")

Rust

use reqwest::Client;
use serde_json::json;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();
    
    let payload = json!({
        "jsonrpc": "2.0",
        "method": "eth_gasPrice",
        "params": [],
        "id": "getblock.io"
    });

    let response = client
        .post("https://go.getblock.io/<ACCESS-TOKEN>/")
        .header("Content-Type", "application/json")
        .json(&payload)
        .send()
        .await?;

    let result: serde_json::Value = response.json().await?;
    println!("{:#?}", result);
    
    Ok(())
}

Response Example

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": "0x12a05f200"
}

Response Parameters

Parameter

Type

Description

jsonrpc

string

JSON-RPC version (2.0)

string

Request identifier

result

string

Gas price in wei (0x12a05f200 = 5 Gwei)

Use Cases

Estimate transaction costs on BSC
Set appropriate gas prices for transactions
Monitor network congestion
Calculate fee budgets for DeFi applications
Compare costs across different networks

Error Handling

Error Code

Description

-32603

Internal error - node processing issues

-32000

Server error - RPC endpoint unavailable

SDK Integration

Ethers.js

const { ethers } = require('ethers');

const provider = new ethers.JsonRpcProvider('https://go.getblock.io/<ACCESS-TOKEN>/');

const feeData = await provider.getFeeData();
console.log('Gas Price:', ethers.formatUnits(feeData.gasPrice, 'gwei'), 'Gwei');

Viem

import { createPublicClient, http, formatGwei } from 'viem';
import { bsc } from 'viem/chains';

const client = createPublicClient({
    chain: bsc,
    transport: http('https://go.getblock.io/<ACCESS-TOKEN>/')
});

const gasPrice = await client.getGasPrice();
console.log('Gas Price:', formatGwei(gasPrice), 'Gwei');

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