Optimism

Optimism is an EVM-compatible, layer 2, rollup scaling solution that operates on top of Ethereum. All transactions that occur on Optimism are posted and validated on Ethereum mainnet using Optimistic Rollups.

see also

• For more information on the Optimism network, please see the official Optimism developer documentation.
• Developers should be aware of some important differences between the behavior of Ethereum and Optimism.

Quickstart

Learn how to quickly connect and make calls to the Optimism network.

JSON-RPC APIs

View the APIs available for communicating with the Optimism network.

Create an API key

Learn how to create an API key and secure and share it with your team.