eth_getTransactionCount - Monad

Example code for the eth_getTransactionCount JSON-RPC method. Complete guide on how to use eth_getTransactionCount JSON-RPC in GetBlock Web3 documentation.

This method returns the number of transactions sent from an address (the nonce).

Parameters

Parameter

Type

Required

Description

address

string

Yes

The address to get the transaction count for.

blockNumber

string

Block number in hex, or "latest", "earliest", "pending", "safe", "finalized".

Request

curl

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "eth_getTransactionCount",
    "params": ["0x727752abbf7a9ef2f3c15e322dd43bf642d26eb7", "latest"],
    "id": "getblock.io"
}'

axios.js

import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "eth_getTransactionCount",
    "params": ["0x727752abbf7a9ef2f3c15e322dd43bf642d26eb7", "latest"],
    "id": "getblock.io"
});

const config = {
    method: 'post',
    url: 'https://go.getblock.io/<ACCESS-TOKEN>/',
    headers: {
        'Content-Type': 'application/json'
    },
    data: data
};

axios(config)
    .then(response => console.log(JSON.stringify(response.data)))
    .catch(error => console.log(error));

request.py

import requests
import json

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

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "eth_getTransactionCount",
    "params": ["0x727752abbf7a9ef2f3c15e322dd43bf642d26eb7", "latest"],
    "id": "getblock.io"
})

headers = {
    'Content-Type': 'application/json'
}

response = requests.post(url, headers=headers, data=payload)
print(response.text)

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_getTransactionCount",
            "params": ["0x727752abbf7a9ef2f3c15e322dd43bf642d26eb7", "latest"],
            "id": "getblock.io"
        }"#)
        .send()
        .await?;
    
    println!("{}", response.text().await?);
    Ok(())
}

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": "0x1a"
}

Response Parameters

Field

Type

Description

result

string

The number of transactions sent from the address in hexadecimal.

Use Case

The eth_getTransactionCount method is essential for:

Getting the correct nonce for new transactions
Transaction building and signing
Detecting pending transactions
Wallet transaction management
High-frequency trading nonce management
Account activity analysis

Error Handling

Status Code

Error Message

Cause

403

Forbidden

Missing or invalid ACCESS-TOKEN.

-32602

Invalid params

Invalid address format.

-32000

Resource not found

Block not found.

-32601

Failed to parse request

syntax error

Web3 Integration

ethers.js

import { ethers } from 'ethers';

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

// Get confirmed nonce
const nonce = await provider.getTransactionCount("0x727752abbf7a9ef2f3c15e322dd43bf642d26eb7");
console.log('Confirmed nonce:', nonce);

// Get pending nonce (includes pending transactions)
const pendingNonce = await provider.getTransactionCount(address, 'pending');
console.log('Pending nonce:', pendingNonce);

viem

import { createPublicClient, http } from "viem";
import { monad } from "viem/chains";
/ Create Viem client with GetBlock
onst client = createPublicClient({
 chain: monad,
 transport: http(
   import.meta.env.MONAD_ACCESS_TOKEN
 ),
);
/ Using the method through Viem
sync function Call() {
 try {
   // Method-specific Viem implementation
   const result = await client.request({
     method: "eth_getTransactionCount",
     params: ["0x727752abbf7a9ef2f3c15e322dd43bf642d26eb7", "latest"],
   });
   console.log("Result:", result);
   return result;
 } catch (error) {
   console.error("Viem Error:", error);
   throw error;
 }
}

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