# Ethereum eth_syncing RPC method
Ethereum API method that returns an object with the sync status of the node when the node is out-of-sync and is syncing. Returns false
when the node is already in sync.
Parameters:
none
Returns:
result
— the boolean valuefalse
when not syncing, or a JSON object when syncing with:startingBlock
— the block at which the import started, encoded as hexadecimal.currentBlock
— the current block, same as eth_blockNumber, encoded as hexadecimal.highestBlock
— the estimated highest block, encoded as hexadecimal.
Example:
- web3.js
- web3.py
- eth.rb
- cURL
const Web3 = require("web3");
const node_url = "CHAINSTACK_NODE_URL";
const web3 = new Web3(node_url);
web3.eth.isSyncing((err, sync) => {
console.log(sync)
})