Optimism
Failover protection
Optimism failover support is available for customers on the Growth or Custom plans. Optimism failover support is available on Mainnet only.
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.
- See the differences between the behavior of Ethereum and Optimism.
- See the JSON-RPC methods specific to Optimism Bedrock.
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 and secure an API key.
Endpoints
Connect
| Network | Transport type | URL |
|---|---|---|
| Mainnet | JSON-RPC over HTTPS | https://optimism-mainnet.infura.io/v3/<YOUR-API-KEY> Copied |
| Mainnet | JSON-RPC over WebSocket | wss://optimism-mainnet.infura.io/ws/v3/<YOUR-API-KEY> Copied |
| Testnet (Sepolia) | JSON-RPC over HTTPS | https://optimism-sepolia.infura.io/v3/<YOUR-API-KEY> Copied |
| Testnet (Sepolia) | JSON-RPC over WebSocket | wss://optimism-sepolia.infura.io/ws/v3/<YOUR-API-KEY> Copied |