Chain Information

Information about the HappyChain Sepolia testnet is available on the HappyChain Testnet Hub.

The hub also includes a faucet where you can claim funds to pay for contract deployments.

• Chain ID: 216
• RPC (HTTP): https://happy-testnet-sepolia.rpc.caldera.xyz/http
• RPC (WS): wss://happy-testnet-sepolia.rpc.caldera.xyz/ws
• Hosted MUD Indexer: https://mud.happy.tech/
• Gas Token: $HAPPY, bridged from Ethereum Sepolia (Sepolia contract address)

Useful links:

• Block Explorer
• Sepolia <> HappyChain Sepolia Bridge
• Using a MUD Indexer