eth_sendRawTransaction - BSC

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

This method submits a pre-signed transaction to the BNB Smart Chain network for execution. This is the primary method for broadcasting transactions and is essential for any application that needs to send BNB or interact with smart contracts.

Parameters

Parameter

Type

Required

Description

signedTxData

string

Yes

The signed transaction data (hex)

Request Example

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "eth_sendRawTransaction",
    "params": ["0xf86c808504a817c80082520894..."],
    "id": "getblock.io"
}'

const axios = require('axios');

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

const payload = {
    jsonrpc: '2.0',
    method: 'eth_sendRawTransaction',
    params: ['0xf86c808504a817c80082520894...'], // Signed tx data
    id: 'getblock.io'
};

axios.post(url, payload, {
    headers: { 'Content-Type': 'application/json' }
})
.then(response => console.log('Tx Hash:', response.data.result))
.catch(error => console.error(error));

import requests

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

payload = {
    "jsonrpc": "2.0",
    "method": "eth_sendRawTransaction",
    "params": ["0xf86c808504a817c80082520894..."],
    "id": "getblock.io"
}

response = requests.post(url, headers={"Content-Type": "application/json"}, json=payload)
print(response.json())

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_sendRawTransaction",
        "params": ["0xf86c808504a817c80082520894..."],
        "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": "0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b"
}

Response Parameters

Parameter

Type

Description

result

string

Transaction hash for tracking

Use Cases

Send BNB transfers
Execute BEP-20 token transfers
Interact with DeFi protocols
Deploy smart contracts
Execute PancakeSwap trades

Error Handling

Error Code

Description

-32602

Invalid params - malformed transaction

-32000

Insufficient funds for gas

-32000

Nonce too low

-32000

Replacement transaction underpriced

SDK Integration

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

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

const tx = await wallet.sendTransaction({
    to: '0x742d35Cc6634C0532925a3b844Bc9e7595f8bB45',
    value: ethers.parseEther('0.1')
});
console.log('Tx Hash:', tx.hash);
await tx.wait();
console.log('Confirmed!');

import { createWalletClient, http, parseEther } from 'viem';
import { bsc } from 'viem/chains';
import { privateKeyToAccount } from 'viem/accounts';

const account = privateKeyToAccount('0x...');

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

const hash = await client.sendTransaction({
    to: '0x742d35Cc6634C0532925a3b844Bc9e7595f8bB45',
    value: parseEther('0.1')
});
console.log('Tx Hash:', hash);

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