eth_getBalance - Validation Cloud

Returns the balance of the account of given address. This method will use 40 Compute Units.

Reference: Here

Parameters

DATA, 20 Bytes - address to check for balance.
QUANTITY|TAG - integer block number, or the string "latest", "earliest" or "pending", see the default block parameter

Returns

QUANTITY - hexadecimal value of the current balance in wei.

// Result
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x2350c5745becdbc17"
}

curl https://mainnet.xlayer.validationcloud.io/v1/<YOUR_API_KEY_HERE> \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{"jsonrpc":"2.0","method":"eth_getBalance","params":["0x7a8bcda73a1eca3f47944a7c9ee0133adce3d073","latest"],"id":1}'