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Arbitrum One

The only Arbitrum One
provider you’ll ever need

Build on Arbitrum One with the fastest RPC Nodes, a comprehensive library of web3 APIs, and the most performant blockchain ETL tools—all backed by enterprise-grade infrastructure.

Try freeContact sales

Trusted by the best

Battle-tested
infrastructure
for Arbitrum One builders

Providing performance and reliability at scale for the world's top businesses and onchain projects. Join them.

400 billion+

API requests handled monthly, we can handle any volume you need.

99.99%

Uptime SLA ensures you're only paying while we're online.

2.5x

Faster API response times than our competitors.

24/7

Access to our support team, Discord community, and docs.

Everything you need to build on Arbitrum One,
all under one account

2 supported networks
  • Arbitrum One Mainnet
  • Arbitrum Sepolia Testnet
  • 01
  • 02
  • 03
  • 04
  • 05
  • 06
  • 07
  • 08
  • 09
  • 10
// import the QuickNode SDK
import { Core } from '@quicknode/sdk'
// create a connection to your endpoint
const core = new Core({
endpointUrl: "https://docs-demo.quiknode.pro/",
})
// call the getBlockNumber method
core.client.getBlockNumber()
Core RPC API

Reliable & scalable
RPC endpoints

Access reliable and scalable RPC endpoints to interact with Arbitrum One.

Create an EndpointLearn more

Looking for something dedicated?

Check out clusters
2 supported networks
  • Arbitrum One Mainnet
  • Arbitrum Sepolia Testnet
Streaming block data
18% complete
137 blocks till tip
Last streamed block: 10343453
Webhook destination
https://quicknode.com/api/webhook

Payload logs

View all logs
  • 10343454
    Retry 1 of 3...
  • 10343454
    Handshake error
  • 10343454
    1 min ago
  • 10343454
    1 min ago
  • 10343454
    1 min ago
Streams

Real-time streaming data & historical backfills

Stream data from Arbitrum One to your application in real-time. Monitor transactions, logs, and more.

Launch a StreamLearn more

Indexing chain data?

Check out our backfill templates
2 supported networks
  • Arbitrum One Mainnet
  • Arbitrum Sepolia Testnet
Functions

Serverless functions for web3 developers

Filter, transform, and enrich blockchain data in real-time with serverless functions, optimized for web3.

Write a FunctionLearn more

Need some inspiration?

Check out our function library
Marketplace

Supercharge your dApp with add-on services

Integrate with add-on services and tools to enhance the functionality of your Arbitrum One application.

Browse all our add-ons
Featured
MEV Protection & Recovery

MEV Protection & Recovery

Improve the DeFi experience of your users by protecting them against MEV with guaranteed best inclusion and ordering. Recover MEV as revenue that can be split with users, perfect for Wallets and Telegram trading bots.

Learn more about Arbitrum One,
and how to get started

Why build on Arbitrum One?

Arbitrum is a Layer 2 scaling solution for Ethereum, utilizing optimistic rollups to enhance transaction throughput and reduce fees. It maintains strong security by leveraging Ethereum's consensus mechanism, making it ideal for developers seeking scalability without compromising security.

Chain Metrics

  • Transaction Cost
    $0.01226
  • Transaction Speed
    0.25 sec
  • Throughput
    20.59 tps
  • User Activity
    442.0K addr
  • Active Developers
    472 devs
  • Total Value Locked
    $2.5B
  • Stablecoin Market Cap
    $4.4B
  • Stablecoin Volume
    $987.4M
i

Arbitrum One is a rollup built on the Arbitrum Orbit, earning its maintainers new revenue streams and benefitting from dedicated block space.

Explore Rollups as a Service