eth_blockNumber

Returns the current latest block number.

Parameters

None

Returns

A hexadecimal of an integer representing the current block number the client is on.

Example

Replace <YOUR-API-KEY> with an API key from your MetaMask Developer dashboard.

Request

• curl
• WSS

curl https://arbitrum-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "method": "eth_blockNumber", "params": [], "id": 1}'

wscat -c wss://arbitrum-mainnet.infura.io/ws/v3/<YOUR-API-KEY> -x '{"jsonrpc": "2.0", "method": "eth_blockNumber", "params": [], "id": 1}'

Response

• JSON

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x65a8db"
}

Convert hexadecimal to integer

On macOS, you can use printf "%d\n" 0x65a8db to convert the above hexadecimal number into an integer number.