POST
/
35848e183f3e3303c8cfeacbea831cab
eth_blockNumber
curl --request POST \
  --url https://bsc-mainnet.core.chainstack.com/35848e183f3e3303c8cfeacbea831cab \
  --header 'Content-Type: application/json' \
  --data '{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "eth_blockNumber",
  "params": []
}'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": {}
}
BNB API method that returns the latest block number of the blockchain. A block number is a hexadecimal number representing the block’s position in the blockchain. For example, the block number 0x69B5B means that the block is the 432,987th block in the blockchain.
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​
Parameters

  • none

​
Response

  • result — the integer value of the node’s latest block number is synced to and encoded as hexadecimal. The block number is used to identify the block’s position in the blockchain and is updated every time a new block is added to the chain.
Use the Chainstack EVM Swiss Knife to convert hexadecimal to decimal.

​
eth_blockNumber code examples

const { Web3 } = require("web3");
const NODE_URL = "CHAINSTACK_NODE_URL";
const web3 = new Web3(NODE_URL);

async function getLatestBlockNumber() {
  const block = await web3.eth.getBlockNumber();
  console.log(`Latest block: ${block}`);
}
  
getLatestBlockNumber()

​
Use case

A possible use case for the eth_blockNumber method in BNB is for applications that need to be aware of the current block number—some applications may need to be mindful of the current block number to function correctly. For example, a DApp may use the current block number to determine the expiration date of a time-limited offer.

Body

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

Response

200 - application/json

The latest block number.

​
jsonrpc
string
​
id
integer
​
result
object