Optimism

The only Optimism
provider you’ll ever need

Build on Optimism 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 free Contact sales

Trusted by the best

Battle-tested
infrastructure
for Optimism 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 Optimism,
all under one account

3 supported networks

Mainnet
Sepolia
Goerli

// 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 Optimism.

Create an Endpoint Learn more

Looking for something dedicated?

Check out clusters

2 supported networks

Mainnet
Sepolia

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 Optimism to your application in real-time. Monitor transactions, logs, and more.

Launch a Stream Learn more

Indexing chain data?

Check out our backfill templates

1 supported network

Mainnet

Functions

Serverless functions for web3 developers

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

Write a Function Learn 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 Optimism application.

Browse all our add-ons

Featured

Hosted Hardhat Instance

A local replica of the EVM environment, facilitating seamless simulation of complex blockchain operations at any specified block.

Learn more about Optimism,
and how to get started

Why build on Optimism?

Optimism is a Layer 2 scaling solution for Ethereum that uses optimistic rollups to increase transaction speed and reduce costs. It offers full EVM compatibility, enabling developers to deploy existing Ethereum smart contracts with minimal changes, thus enhancing scalability and user experience.

Chain Metrics

Transaction Cost
$0.02537
Transaction Speed
2 sec
Throughput
8.69 tps
User Activity
73.9K addr
Active Developers
342 devs
Total Value Locked
$641.0M
Stablecoin Market Cap
$1.4B
Stablecoin Volume
$531.7M

Optimism is a rollup built on the OP Stack, earning its maintainers new revenue streams and benefitting from dedicated block space.

Explore Rollups as a Service

The only Optimism provider you’ll ever need