Supported networks
Use one of these endpoints as your Arbitrum client provider.
Ensure that you replace YOUR-API-KEY with an API key from your Infura dashboard.
| Network | Description | URL |
|---|---|---|
| Mainnet | JSON-RPC over HTTPS | https://arbitrum-mainnet.infura.io/v3/<API-KEY> |
| Mainnet | JSON-RPC over Websocket | wss://arbitrum-mainnet.io/ws/v3/<API-KEY> |
| Testnet (Sepolia) | JSON-RPC over HTTPS | https://arbitrum-sepolia.infura.io/v3/<API-KEY> |
| Testnet (Sepolia) | JSON-RPC over WebSocket | wss://arbitrum-sepolia.infura.io/ws/v3/<API-KEY> |