https://nownodes.io/nodes/optimism-op
Optimism nodes and RPC explorer
Nov 20, 2020 - NOWNodes as an Optimism node provider delivers fast, stable RPC access—explore Optimism remote nodes and XMR nodes.
rpc exploreroptimismnodes
https://drpc.org/chainlist/optimism-mainnet-rpc
Optimism RPC Endpoints | Free & Paid Nodes | dRPC
free amp paidoptimism rpcdrpc
https://getblock.io/nodes/op/
Optimism RPC: Free API Endpoints for Connect to Nodes | GetBlock.io
Run the Optimism (OP) RPC node and use GetBlock API to retrieve blocks, transactions and other important blockchain data from the Web3 Optimism RPC.
optimism rpcfree apiendpoints