eth_sendRawTransaction - Polygon

Example code for the eth_sendRawTransaction json-rpc method. Сomplete guide on how to use eth_sendRawTransaction json-rpc in GetBlock.io Web3 documentation.

The eth_sendRawTransaction method submits a pre-signed transaction for broadcast to the network. The transaction must be signed with the sender's private key before calling this method.

Parameters

Parameter

Type

Required

Description

signedTransactionData

string

Yes

Signed transaction data in hexadecimal

Request

cURL

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "eth_sendRawTransaction",
    "params": ["0xf86c0885048c273950..."],
    "id": "getblock.io"
}'

sendRawTransaction.js

import axios from 'axios';

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

const payload = {
    jsonrpc: '2.0',
    method: 'eth_sendRawTransaction',
    params: ["0xf86c0885048c273950..."],
    id: 'getblock.io'
};

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

send_raw_transaction.py

import requests

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

payload = {
    "jsonrpc": "2.0",
    "method": "eth_sendRawTransaction",
    "params": ["0xf86c0885048c273950..."],
    "id": "getblock.io"
}

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

main.rs

use reqwest::header;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = reqwest::Client::new();
    
    let response = client
        .post("https://go.getblock.io/<ACCESS-TOKEN>/")
        .header(header::CONTENT_TYPE, "application/json")
        .body(r#"{
            "jsonrpc": "2.0",
            "method": "eth_sendRawTransaction",
            "params": ["0xf86c0885048c273950..."],
            "id": "getblock.io"
        }"#)
        .send()
        .await?;
    
    println!("{}", response.text().await?);
    Ok(())
}

Response

Response.json

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": "0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b"
}

Response Parameters

Field

Type

Description

jsonrpc

string

JSON-RPC version (2.0)

string

Request identifier

result

varies

32-byte transaction hash, or error if transaction failed

Use Case

The eth_sendRawTransaction method is useful for:

Transaction submission
Token transfers
Contract interaction
DeFi operations

Error Handling

Status Code

Error Message

Cause

403

Forbidden

Missing or invalid ACCESS-TOKEN

-32600

Invalid Request

Malformed request body

-32602

Invalid params

Invalid method parameters

Web3 Integration

ethers-send.js

import { ethers } from 'ethers';

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

const result = await provider.send('eth_sendRawTransaction', ["0xf86c0885048c273950..."]);
console.log('Result:', result);

viem-send.js

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

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

const result = await client.request({
    method: 'eth_sendRawTransaction',
    params: ["0xf86c0885048c273950..."]
});
console.log('Result:', result);

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