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Chain Resource Directory
OP Mainnet Sepolia
Sepolia
OP Mainnet Sepolia RPC & resources
Endpoints, websockets, and devtools
L2
L2
Testnet
Chain ID: 11155420
Chain ID: 11155420
Sepolia
Mainnet
Sepolia
Network details
Product support
Endpoints
RPC
https://opt-sepolia.g.alchemy.com/public
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Websocket
wss://opt-sepolia.g.alchemy.com/public
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