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POST
eth_getBalance
curl --request POST \
  --url https://monad-testnet.core.chainstack.com/9c5b265f20b3ea5df4f54f70eb74b800/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "eth_getBalance",
  "params": [
    "0x0000000000000000000000000000000000001000",
    "latest"
  ]
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": "<string>"
}
Monad API method that returns the balance of the account at the given address. The balance is returned in wei, the smallest unit of MON.
When called against a block older than the latest ~128 blocks, this method is treated as an archive request (2 RUs instead of 1 RU). See request units.
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​
Parameters

  • data — the 20-byte address to check for balance.
  • quantity or tag — integer block number, or the string latest, earliest, or pending.

​
Response

  • result — the balance of the account in wei, encoded as hexadecimal.

​
eth_getBalance code examples

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

const provider = new ethers.JsonRpcProvider("CHAINSTACK_NODE_URL");

async function getBalance() {
  const address = "0x0000000000000000000000000000000000001000";
  const balance = await provider.getBalance(address);
  console.log(`Balance: ${ethers.formatEther(balance)} MON`);
}

getBalance();

​
Use case

A practical use case for eth_getBalance is displaying user wallet balances in DApps or checking if an account has sufficient funds before sending a transaction.

Body

application/json
​
id
integer
default:1
​
jsonrpc
string
default:2.0
​
method
string
default:eth_getBalance
​
params
string[]

Response

200 - application/json

The balance in wei.

​
jsonrpc
string
​
id
integer
​
result
string
Last modified on May 18, 2026