RPC endpoints and providers
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Arbitrum public RPC endpoints
This section provides an overview of the available public RPC endpoints for different Arbitrum chains and necessary details to interact with them.
| Name | RPC Url(s) | Chain ID | Block explorer | Underlying chain | Tech stack | Sequencer feed URL | Sequencer endpoint⚠️ |
|---|---|---|---|---|---|---|---|
| Arbitrum One | https://arb1.arbitrum.io/rpc | 42161 | https://arbiscan.io/ | Ethereum | Nitro (Rollup) | wss://arb1.arbitrum.io/feed | https://arb1-sequencer.arbitrum.io/rpc |
| Arbitrum Nova | https://nova.arbitrum.io/rpc | 42170 | https://nova.arbiscan.io/ | Ethereum | Nitro (AnyTrust) | wss://nova.arbitrum.io/feed | https://nova-sequencer.arbitrum.io/rpc |
| Arbitrum Sepolia (Testnet) | https://sepolia-rollup.arbitrum.io/rpc | 421614 | https://sepolia.arbiscan.io | Sepolia | Nitro (Rollup) | wss://sepolia-rollup.arbitrum.io/feed | https://sepolia-rollup-sequencer.arbitrum.io/rpc |
caution
- Unlike the RPC Urls, the Sequencer endpoints only support
eth_sendRawTransactionandeth_sendRawTransactionConditionalcalls. - Arbitrum public RPCs do not provide Websocket support.
- Stylus testnet (v1) has been deprecated, but you can still find its information in Stylus testnet information.
- Stylus testnet (v2) has been deprecated, but you can still find its information in Stylus testnet information.
- Visit Quicknode's Arbitrum Sepolia faucet for testnet Sepolia tokens on L2.
More RPC endpoints
More Arbitrum chain RPC endpoints can be found in Chain Connect: Arbitrum One and Arbitrum Nova.
Third-party RPC providers
Alternatively, to interact with public Arbitrum chains, you can rely on many of the same popular node providers that you are already using on Ethereum:
| Provider | Arb One? | Arb Nova? | Arb Sepolia? | Websocket? |
|---|---|---|---|---|
| 1RPC | ✅ | |||
| Alchemy | ✅ | ✅ | ✅ | ✅ |
| Allnodes | ✅ | ✅ | ✅ | |
| Ankr | ✅ | ✅ | ||
| Blast | ✅ | ✅ | ✅ | |
| BlockPi | ✅ | ✅ | ||
| BlockVision | ✅ | |||
| Chainbase | ✅ | ✅ | ||
| Chainnodes | ✅ | |||
| Chainstack | ✅ | ✅ | ||
| DataHub | ✅ | |||
| DRPC | ✅ | ✅ | ✅ | |
| GetBlock | ✅ | ✅ | ||
| Infura | ✅ | ✅ | ✅ | |
| Lava | ✅ | ✅ | ||
| Moralis | ✅ | |||
| Nirvana Labs | ✅ | ✅ | ✅ | ✅ |
| NodeReal | ✅ | ✅ | ||
| NOWNodes | ✅ | |||
| Pocket Network | ✅ | |||
| Quicknode | ✅ | ✅ | ✅ | ✅ |
| Unifra | ✅ |