Network Information

Overview of Celo Mainnet and the Celo Sepolia Testnet.

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Celo Mainnet

Name	Value
Network Name	Celo Mainnet
Description	The production Celo network
Chain ID	42220
Currency Symbol	CELO
RPC Nodes	List of RPC providers Celo L2 Mainnet Day 1 Node and RPC providers
RPC Endpoint (best effort)	https://forno.celo.org Note: Forno is rate limited, as your usage increases consider options that can provide the desired level of support (SLA).
Block Explorers	https://explorer.celo.org https://celoscan.io
Bridge Link	List of bridges

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Celo Sepolia Testnet

Name	Value
Network Name	Celo Sepolia
Description	The New Developer Testnet network (replacing Alfajores)
Chain ID	11142220
Currency Symbol	CELO
RPC Endpoint (best effort)	https://forno.celo-sepolia.celo-testnet.org
OP-Node RPC Endpoint (best effort)	https://op.celo-sepolia.celo-testnet.org
Block Explorer	https://celo-sepolia.blockscout.com
Bridge Link	https://testnets.superbridge.app Note: Ensure you enable Testnet in settings
Faucet Links	https://cloud.google.com/application/web3/faucet/celo/sepolia https://faucet.celo.org/celo-sepolia

The Celo Sepolia Testnet is Celo’s new developer testnet built on Ethereum Sepolia, designed to replace Alfajores following the planned Holesky deprecation in September 2025.

Key Features:

• Fresh State: Starts with a clean slate, no state inheritance from Alfajores
• L1 Foundation: Built on Ethereum Sepolia for enhanced stability
• Developer-Focused: Provides the same developer experience as Alfajores

New Celo Sepolia Testnet Now Live!

Try Celo’s new developer testnet on Ethereum Sepolia. Learn more →

The Celo Sepolia Testnet is designed for testing and experimentation by developers. Its tokens hold no real world economic value. The testnet software will be upgraded on a regular basis. This will erase your accounts, their balance and your transaction history. You may encounter bugs and limitations with the software and documentation.

Your use of the Celo Sepolia Testnet is subject to the Celo Sepolia Testnet Disclaimer.