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Chain Resource Directory
Mainnet
All systems operational
Arbitrum RPC & resources
Endpoints, websockets, and devtools
L2
L2
Chain ID: 42161
Chain ID: 42161
Mainnet
Mainnet
Sepolia
Get API Key
Network details
Product support
Endpoints
RPC
https://arb-mainnet.g.alchemy.com/<api-key>
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Websocket
wss://arb-mainnet.g.alchemy.com/<api-key>
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