chain_getFinalizedHead - Asset Hub RPC Method
Get the finalized block hash on Asset Hub. Essential for confirmed state queries on Polkadot's system parachain managing $4.5B+ in DOT tokens, native USDC/USDT, and NFTs.
Returns the hash of the last finalized block on Asset Hub.
Use Cases
- Confirmed state - Query state that cannot be reverted
- Transaction confirmation - Verify transaction finality for native stablecoin transfers (USDC, USDT), DOT staking and governance, and cross-chain asset management via XCM
- Safe checkpoints - Use finalized blocks for critical operations
Request Parameters
This method accepts no parameters.
Response Body
Code Examples
curl https://api-asset-hub-polkadot.n.dwellir.com/<YOUR_API_KEY>/YOUR_API_KEY \
-X POST \
-H "Content-Type: application/json" \
-d '{
"jsonrpc": "2.0",
"method": "chain_getFinalizedHead",
"params": [],
"id": 1
}'import { ApiPromise, WsProvider } from '@polkadot/api';
const provider = new WsProvider('wss://api-asset-hub-polkadot.n.dwellir.com/YOUR_API_KEY');
const api = await ApiPromise.create({ provider });
const finalizedHash = await api.rpc.chain.getFinalizedHead();
console.log('Finalized block hash:', finalizedHash.toHex());
// Get finalized block details
const block = await api.rpc.chain.getBlock(finalizedHash);
console.log('Finalized block number:', block.block.header.number.toNumber());
await api.disconnect();import requests
def get_finalized_head():
url = 'https://api-asset-hub-polkadot.n.dwellir.com/<YOUR_API_KEY>/YOUR_API_KEY'
payload = {
'jsonrpc': '2.0',
'method': 'chain_getFinalizedHead',
'params': [],
'id': 1
}
response = requests.post(url, json=payload)
return response.json()['result']
finalized_hash = get_finalized_head()
print(f'Finalized block hash: {finalized_hash}')Related Methods
chain_getBlock- Get block by hashchain_getBlockHash- Get block hash by number