Build better with Arbitrum nodes

Run Arbitrum nodes anywhere

Spin up dedicated or global Arbitrum nodes with geo-balanced low-latency routing and automated upgrades on reliable high-performance infrastructure.

Arbitrum RPC nodes

Infrastructure scaling options

Security and monitoring

Arbitrum RPC nodes

Chain ID	42161
Network name	Arbitrum One (a.k.a. “Arbitrum Mainnet”)
Protocol type	Optimistic roll-up secured by Ethereum
Execution stack	Arbitrum Nitro (Arbitrum Stylus for WASM + EVM)
Native gas token	ETH (same as Ethereum)
Average block time	~0.25 s (batch posted to Ethereum every ~8 min)

Run your own Arbitrum node to tap into Ethereum-level security with roll-up-grade fees. Self-hosted Arbitrum One or Arbitrum Nova RPC endpoints provide full data access, zero rate limits, and faster transaction confirmations for any Web3 project.

Create Arbitrum node

Arbitrum chain summary

Quick chain reference

Node setup options

Choose the right deployment option

Update your application

Embed the Arbitrum RPC endpoint in your code

Chain ID	42161
Network name	Arbitrum One (a.k.a. “Arbitrum Mainnet”)
Protocol type	Optimistic roll-up secured by Ethereum
Execution stack	Arbitrum Nitro (Arbitrum Stylus for WASM + EVM)
Native gas token	ETH (same as Ethereum)
Average block time	~0.25 s (batch posted to Ethereum every ~8 min)

Create Arbitrum node

Infrastructure scaling options

Full node – Stores the latest Arbitrum state plus a rolling window of recent blocks, so it spins up quickly and syncs in minutes from Nitro snapshots. Ideal for production dApps, wallets, relayers, and bot back-ends that only need up-to-date balances, events, and transaction submission.
Archive node – Keeps every historical state diff and trace from genesis onward, letting you query “what did this address look like at block #12 345 678?” or replay transactions for forensic audits. Perfect for indexers, analytics dashboards, on-chain credit scoring, and back-testing strategies that demand full time-travel reads.

Create Arbitrum node

RPC node types

Available node configurations

Unlimited Node

RPS-tiered node access with unlimited requests

Dedicated Node

Dedicated node instance with unlimited requests

Full node – Stores the latest Arbitrum state plus a rolling window of recent blocks, so it spins up quickly and syncs in minutes from Nitro snapshots. Ideal for production dApps, wallets, relayers, and bot back-ends that only need up-to-date balances, events, and transaction submission.
Archive node – Keeps every historical state diff and trace from genesis onward, letting you query “what did this address look like at block #12 345 678?” or replay transactions for forensic audits. Perfect for indexers, analytics dashboards, on-chain credit scoring, and back-testing strategies that demand full time-travel reads.

Create Arbitrum node

Security and monitoring

Lock down every Arbitrum RPC endpoint with enterprise-grade controls:

IP allowlists – Accept calls only from approved server or edge IPs. One mis-typed address and the request never reaches your node, blocking botnets and shadow APIs at the perimeter.
Origin rules – Enforce CORS and referrer checks to allow only traffic from your production domains to access the endpoint, preventing front-end code injection and hostile iframe drops before they occur.
JWT authentication – Issue short-lived JSON Web Tokens for scripts, back-end jobs, and mobile apps; each token carries a crypto-signed expiry, so even if it leaks it dies quickly and can’t be reused.

Set Slack or Email alerts so you’re the first to know if your Arbitrum node needs attention.

Chainstack Console performance charts – Open any Arbitrum node details page in Console to see API calls activity. Toggle between 1 h, 6 h, 12 h, 24 h, 7 d ranges; hover for exact data points; and download CSVs for deeper BI analysis.
Chainstack Status page alerts – Subscribe to the public status dashboard for instant email, Slack, or webhook notifications on planned maintenance, regional cloud incidents, or unexpected network events, keeping your team and stakeholders in sync without extra monitoring overhead.

Endpoint access control

Protect your Arbitrum RPC

Real-time metrics & alerts

Track everything you need

Zero-downtime upgrades

Reliable high-performance Arbitrum RPC

Lock down every Arbitrum RPC endpoint with enterprise-grade controls:

IP allowlists – Accept calls only from approved server or edge IPs. One mis-typed address and the request never reaches your node, blocking botnets and shadow APIs at the perimeter.
Origin rules – Enforce CORS and referrer checks to allow only traffic from your production domains to access the endpoint, preventing front-end code injection and hostile iframe drops before they occur.
JWT authentication – Issue short-lived JSON Web Tokens for scripts, back-end jobs, and mobile apps; each token carries a crypto-signed expiry, so even if it leaks it dies quickly and can’t be reused.

Set Slack or Email alerts so you’re the first to know if your Arbitrum node needs attention.

Chainstack Console performance charts – Open any Arbitrum node details page in Console to see API calls activity. Toggle between 1 h, 6 h, 12 h, 24 h, 7 d ranges; hover for exact data points; and download CSVs for deeper BI analysis.
Chainstack Status page alerts – Subscribe to the public status dashboard for instant email, Slack, or webhook notifications on planned maintenance, regional cloud incidents, or unexpected network events, keeping your team and stakeholders in sync without extra monitoring overhead.

Frequently Asked Questions

What is Arbitrum?

Arbitrum is an Ethereum Layer 2 optimistic rollup that improves scalability by processing transactions off-chain while settling to Ethereum for security. Built on the Arbitrum Nitro stack, it offers lower gas fees, high throughput, and full EVM compatibility so developers can run existing Ethereum applications without modification.

How to get Arbitrum RPC endpoint?

Open a free Chainstack account, then access your console. Hit Add node, pick the Arbitrum network, and spin up your node with one click. Once it’s up, click Access & credentials and take your personal RPC endpoint into your dApp.

How to run a Arbitrum node?

You can run an Arbitrum node in minutes using Chainstack. Simply create a project in the console, select the Arbitrum network, and deploy a Global Node to get an instant RPC endpoint. For higher performance or dedicated resources, you can launch a Dedicated Node instead.

What is Arbitrum RPC API?

Arbitrum inherits the Ethereum JSON-RPC spec through the Arbitrum Stack, so familiar calls such as eth_blockNumber and eth_estimateGas work unchanged. Extra methods surface L2 gas metrics and deposit status when bridging from Ethereum L1. Developers simply point their HTTP or WSS client at a Arbitrum node for cheaper, faster EVM execution.

How much does it cost to run a Arbitrum RPC?

Because Arbitrum is an L2, storage requirements are smaller, but sequencer traffic can spike. Cloud costs typically range from about US $100 to US $250 per month depending on archival depth and infrastructure setup. Once you factor in maintenance and upgrade work for the Arbitrum stack, the real cost grows. For most teams, it’s more economical to use a pay-as-you-go Arbitrum RPC endpoint from a provider such as Chainstack.

Is Arbitrum RPC free?

You can point to Arbitrum’s shared endpoint for free, though it slows down whenever traffic spikes. Chainstack’s free-usage tier delivers up to 3 million reliable Base requests before any billing kicks in.

How to setup a Arbitrum RPC?

Copy the Arbitrum endpoint shown in your Chainstack project. Drop it into your EVM wallet’s custom RPC list or update ethers.providers.JsonRpcProvider(<URL>) and you’re transacting on Arbitrum.