eth_getbalance

Parameters:

DATA, 20 Bytes - address to check for balance.

QUANTITY|TAG - integer block number, or the string "latest"

Returns:

QUANTITY - integer of the current balance in wei.

Example:

// Request
curl https://robinhood.blockpi.network/v1/rpc/your-rpc-key -X POST -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_getBalance","params":["0x0000000000000000000000000000000000000000", "latest"],"id":1}'

// Result
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x19a1c0529137bbd"
}