eth_chainId - Hyperliquid RPC Method
Get the chain ID for Hyperliquid. Essential for transaction signing and network verification.
Returns the chain ID used for transaction signing on Hyperliquid.
Why Hyperliquid? Build on the trading-focused EVM and HyperCore ecosystem built for onchain perpetuals and market data with HyperCore market structure, sub-second finality, and direct access to trading-focused data services.
Use Cases
The eth_chainId method is essential for:
- Transaction signing - Ensure transactions are signed for the correct network
- Network verification - Confirm connection to the expected chain
- Multi-chain apps - Handle different networks programmatically
- Wallet integration - Validate network before transactions
Code Examples
Related Methods
net_version- Get network versioneth_syncing- Check sync status
trace_transaction
Get traces for a specific transaction on Hyperliquid. Requires archive node for perpetual futures trading, onchain order books, and institutional-grade derivatives.
eth_syncing
Check the sync status of your Hyperliquid node. Returns sync progress or false when fully synced — essential for node health monitoring and dApp reliability.