Networks and Public RPC Endpoints
# Optimism (mainnet)
Point and deploy
We recently removed our whitelist! This means that anyone can deploy onto Optimism. However, if you want support getting live on Optimism, or if you want some PR hype you can apply here (opens new window).
| Parameter | Value |
|---|---|
| Network Name | Optimism |
| Description | Mainnet |
| Chain ID | 10 |
| Explorer | https://optimistic.etherscan.io |
| HTTP Endpoint | https://mainnet.optimism.io Not for production systems. See the list of available RPC endpoints below |
| WebSocket Endpoint | wss://ws-mainnet.optimism.io |
| L1 Contract Addresses | link (opens new window) |
| L2 Contract Addresses | link (opens new window) |
| chainid.link | https://chainid.link/?network=optimism (opens new window) |
# RPC endpoints
Please set up a private RPC endpoint with any of the following providers:
We also support and maintain the following public RPC endpoints. However, we highly encourage you to set up a private RPC endpoint with any of the above mentioned providers instead. These public endpoints should not be used in production systems.
- HTTP endpoint: https://mainnet.optimism.io (opens new window)
- WebSocket endpoint: wss://ws-mainnet.optimism.io
# Optimism Kovan (testnet)
Purpose
This is our test network. To get ETH on Kovan as well as Optimism Kovan, checkout our faucets page.
| Parameter | Value |
|---|---|
| Network Name | Optimism Kovan |
| Description | Testnet (public) |
| Chain ID | 69 |
| Explorer | https://kovan-optimistic.etherscan.io |
| HTTP Endpoint | https://kovan.optimism.io If you are going to be sending a lot of requests please set up your own private RPC endpoint |
| WebSocket Endpoint | wss://ws-kovan.optimism.io If you are going to be sending a lot of requests please set up your own private RPC endpoint |
| L1 Contract Addresses | link (opens new window) |
| L2 Contract Addresses | link (opens new window) |
| chainid.link | https://chainid.link/?network=optimism-kovan (opens new window) |
# RPC endpoints
Please set up a private RPC endpoint with any of the following providers:
We also have the following public endpoints. However if you expect to be sending a high volume of requests, please use one of the other available providers above.
- HTTP endpoint: https://kovan.optimism.io (opens new window)
- WebSocket endpoint: wss://ws-kovan.optimism.io