eth_chainId - Immutable RPC Method
Get the chain ID for Immutable. Essential for transaction signing and network verification.
Returns the chain ID used for transaction signing on Immutable.
Why Immutable? Build on the gaming-optimized zkEVM with 660+ games, 5.5M+ Passport signups, and $40M TVL with first EVM chain with enforceable royalties, Polygon zkEVM technology, $2B+ ecosystem funding, and Agglayer cross-chain liquidity.
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
debug_traceTransaction
Trace a transaction execution on Immutable. Requires archive node for debugging Web3 gaming (Gods Unchained, RavenQuest), gaming NFTs with enforced royalties, and cross-chain game assets.
eth_syncing
Check the sync status of your Immutable node. Returns sync progress or false when fully synced — essential for node health monitoring and dApp reliability.