Endpoint
mainnet.optimism.io
A public OP Mainnet RPC endpoint operated by optimism. It answered when we last checked.
https://mainnet.optimism.ioLast check
- Status
- Answered27 ms
- Checked at
- 2026-08-25 23:59:19 UTC
- Block height reported
- 156,051,777
- Transport
- HTTP JSON-RPC
One request from one machine, twice an hour. Not a latency measurement — see methodology.
Network
- Network
- OP Mainnet (mainnet)
- Chain ID
- 10
- Currency
- ETH
Your wallet will show you the chain ID and endpoint before adding anything.
Other endpoints that work
Ordered by what answered, so a replacement is one click away.
- https://optimism-rpc.publicnode.comAnswered33 ms
- https://optimism.drpc.orgAnswered41 ms
- https://optimism.gateway.tenderly.coAnswered66 ms
- wss://optimism-rpc.publicnode.comNot checked
- wss://optimism.gateway.tenderly.coNot checked
- wss://optimism.drpc.orgNot checked