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Build better with Arbitrum nodes

Run high-performing Arbitrum RPC nodes and APIs in minutes on a platform built for scale.

"We’re happy to have Chainstack fully supporting Arbitrum One now that the migration of Nitro has been complete! We believe that to build an ecosystem, support is needed at all levels. With Chainstack’s full support we’re excited to keep empowering the Arbitrum ecosystem with infrastructure that will continue to provide for the community."  

A.J. Warner Chief Strategy Officer, Offchain Labs

Reliable Arbitrum One Mainnet, Sepolia and Goerli Testnet infrastructure

Chainstack makes sure you get access to robust and scalable infrastructure, ready for your Arbitrum journey, in a matter of minutes.

We take away the burden of managing it so that you can instantly focus on building and exploring data on Arbitrum RPC and API.

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Start fast with elastic Arbitrum RPC nodes

Elastic Arbitrum RPC nodes* provide personal, geographically diverse, and protected API endpoints you can immediately start using to interact with both Arbitrum networks, starting at $0 per month.

Chainstack elastic Arbitrum RPC nodes

  • No rate limiting or throttling
  • Near-instant deployment
  • Global endpoint locations
  • Secure HTTP and WebSocket APIs

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Arbitrum archive nodes

Get access to Arbitrum archive nodes to query the entire history of the Arbitrum One Mainnet—starting at just $49 per month.

And with Chainstack’s Bolt fast sync technology, you can deploy your own dedicated archive node in minutes instead of months.

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Turbocharged sync

With Chainstack’s patented Bolt technology you get fully synced dedicated Arbitrum RPC nodes in almost no time at all.

By using up-to-date snapshots of the ledger, Chainstack spins up dedicated Arbitrum RPC nodes with the latest state—so you get a node ready same day rather than having to wait long sync times while spinning it from genesis block.

Introducing Bolt
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Hours taken to sync an Arbitrum node

Dedicated Arbitrum RPC nodes for dedicated users

Backed up by an expert support team, Chainstack’s dedicated nodes are a go-to for request-intensive workloads on both Arbitrum and Ethereum, including traders and plethora of different DeFi projects.

Chainstack dedicated Arbitrum RPC nodes

  • Unlimited requests, no rate limiting or throttling
  • Debug and trace APIs
  • Rapid deployment through Bolt<!–Free–>

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We accept payments in cryptocurrencies for Arbitrum RPC nodes. Learn more

Chainstack Marketplace

Chainstack is designed to work hand-in-hand with the Arbitrum ecosystem: tools, apps and services that you use every day to build your applications or amplify returns.

We work closely with developers and Arbitrum community to ensure seamless integration for our end users.

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Build on Arbitrum blockchain with us

Discover a wealth of information on how to deploy blockchain infrastructure and build amazing applications using Arbitrum RPCs and APIs with Chainstack.

Notes for Arbitrum API

  1. When communicating with a Arbitrum RPC node, the Arbitrum client implements a JSON-RPC specification, a communication protocol allowing one to make remote calls and execute them as if they were made locally.
  2. The Arbitrum API allows developers to communicate with the Arbitrum blockchain to build applications. The best way to use the Arbitrum API is to use a Web3 library such as web3.js if using JavaScript or web3.py using Python.