The only Ethereum
provider you’ll ever need
Build on Ethereum with the fastest RPC Nodes, a comprehensive library of web3 APIs, and the most performant blockchain ETL tools—all backed by enterprise-grade infrastructure.
Trusted by the best
Battle-tested
infrastructure
for Ethereum 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 Ethereum,
all under one account
- Mainnet
- Sepolia
- Holesky
- Hoodi
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Reliable & scalable
RPC endpoints
Connect to Ethereum with one line of code and get unparalleled latency, reliability, and scalability.
Looking for something dedicated?
Check out clusters- Mainnet
- Sepolia
- Holesky
Blockchain data delivered to you
Stream live and historical Ethereum data to your application sequentially with guaranteed delivery and flexible filtering.
Indexing chain data?
Check out our backfill templates- Mainnet
- Sepolia
- Holesky
Serverless functions for web3 developers
Filter, transform, and enrich blockchain data in real-time with serverless functions, optimized for web3.
Need some inspiration?
Check out our function librarySupercharge your dApp with add-on services
Integrate with add-on services and tools to enhance the functionality of your Ethereum application.
At Cielo, we serve over 150,000 users that depend on real-time data. QuickNode is key in making that happen.
Matt Aaron, Co-Founder at Cielo Finance
Learn more about Ethereum,
and how to get started
Why build on Ethereum?
Ethereum is a pioneering smart contract platform that introduced the concept of decentralized applications (dApps). Its robust developer community and extensive tooling make it a prime choice for building versatile and secure dApps.
Chain Metrics
- Transaction Cost$3.18142
- Transaction Speed12.06 sec
- Throughput13.16 tps
- User Activity358.4K addr
- Active Developers3.2K devs
- Total Value Locked$48.2B
- Stablecoin Market Cap$80.5B
- Stablecoin Volume$13.5B
Ethererum RPC Docs
Browse our robust documentation for all of our supported chains and learn how to call RPC methods using up-to-date libraries and code examples across Python, Ruby, JavaScript, and cURL.
Ethereum Developer Resources
Developer resources to level up your Ethereum game.
DeFi Development with Ethereum
In this course, you will build a decentralized exchange (DEX) platform on Ethereum Sepolia.
What is Ethereum (ETH)?
In this guide, you will learn what Ethereum is, how it works, and how to use it. Let's get started!