eth_chainId - IoTeX RPC Method
Get the chain ID for IoTeX. Essential for transaction signing and network verification.
Returns the chain ID used for transaction signing on IoTeX.
Why IoTeX? Build on the leading DePIN infrastructure blockchain powering 130+ applications in the $27B+ DePIN ecosystem with W3bstream offchain compute, Quicksilver AI data verification, Vodafone partnership for 5M+ cell tower integration, and ioID device identity.
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 IoTeX. Requires archive node for debugging decentralized physical infrastructure (DePIN), IoT device identity (ioID), and AI-verified real-world data.
eth_syncing
Check the sync status of your IoTeX node. Returns sync progress or false when fully synced — essential for node health monitoring and dApp reliability.