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 Infura dashboard.

Request

cURL

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}'

WSS

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.