POST
/
efb0a5eccd2caa5135eb54eba6f7f300
curl --request POST \
  --url https://optimism-mainnet.core.chainstack.com/efb0a5eccd2caa5135eb54eba6f7f300 \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "eth_getBalance",
  "id": 1,
  "params": [
    "0xF977814e90dA44bFA03b6295A0616a897441aceC",
    "latest"
  ]
}'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": "<string>"
}

Optimism API method eth_getBalance retrieves the balance of an account at a given block. This method is essential for applications that need to display or utilize the current balance of an Ethereum address.

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​
Parameters

  • address — the address to get the balance for.
  • block — the block number (in hexadecimal) or one of the strings "earliest", "latest", or "pending", indicating the state to consider. The default is "latest".

​
Response

  • result — the balance of the account in Wei, as a hexadecimal string.

​
Use case

The eth_getBalance method is essential for:

  • Wallets and financial applications that track and display user balances.
  • DApps that perform actions based on the account balance.
  • Services that monitor account balances for thresholds, changes, or unusual activity.

Body

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

Response

200 - application/json
The balance of the account
​
jsonrpc
string
​
id
integer
​
result
string