// ZKsync

The only ZKsync
provider you’ll ever need

Build on ZKsync 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

// Core Products

Battle tested infrastructure
for ZKsync 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.

// Build

Everything you need to build on ZKsync,
all under one account

// 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()

2 supported networks

Mainnet
Sepolia Testnet

Reliable & scalable
RPC endpoints

Connect to ZKsync with one line of code and get unparalleled latency, reliability, and scalability.

Try free Learn more

// Build

Learn more about ZKsync,
and how to get started

Why build on ZKsync?

zkSync is a Layer 2 scaling solution for Ethereum, utilizing zero-knowledge proofs to enable fast and low-cost transactions. It offers developers a platform to build scalable dApps with enhanced security and privacy features.

Get Started

// Chain metrics

Transaction Cost
$0.02369
Throughput

// Webhook Received
Just now
{ "id": 27774258, "eventType": "transfer", "chain": "ZKsync", "timestamp": 1744984842549, "address": "0x57cfd5d72a6a2f72", "amount": "39.697", "token": "AAVE", "timeAgo": "45 min ago" }
// Webhook Received
Just now
{ "id": 27774258, "eventType": "transfer", "chain": "ZKsync", "timestamp": 1744984842549, "address": "0x57cfd5d72a6a2f72", "amount": "39.697", "token": "AAVE", "timeAgo": "45 min ago" }
// Webhook Received
Just now
{ "id": 27774258, "eventType": "transfer", "chain": "ZKsync", "timestamp": 1744984842549, "address": "0x57cfd5d72a6a2f72", "amount": "39.697", "token": "AAVE", "timeAgo": "45 min ago" }

2 supported networks

Mainnet
Sepolia Testnet

Real-time webhooks

No-code webhooks with guaranteed delivery, custom JavaScript logic, and built-in reorg handling.

Create a webhook Learn about webhooksLearn More

// Backfilling...

2 supported networks

Mainnet
Sepolia Testnet

Historical Backfills

Deliver raw or filtered historical blockchain data sequentially, with guaranteed delivery and flexible batching options.

Start backfilling Learn about backfillingLearn More

Supercharge your dApp with
add-on services

Integrate with add-on services and tools to enhance the
functionality of yourZKsync application.

Browse all our add-ons

Featured

Multichain JSON RPC

Get access to dozens of reliable, cost-efficient, and fast JSON-RPC methods.

User Activity

69.6K addr

Active Developers

181 devs

Total Value Locked

$82.3M

Zksync 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.

View

Want to stay updated?

Docs

Guides

Want to stay updated?

Docs

Guides

The only ZKsync
provider you’ll ever need

Battle tested infrastructure
for ZKsync builders

400 billion+

99.99%

2.5x

24/7

Everything you need to build on ZKsync,
all under one account

Reliable & scalable
RPC endpoints

Learn more about ZKsync,
and how to get started

Why build on ZKsync?

Real-time webhooks

Historical Backfills

Supercharge your dApp with
add-on services

Multichain JSON RPC

Zksync RPC Docs

Want to stay updated?

Docs

Guides

Want to stay updated?

Docs

Guides

The only ZKsync provider you’ll ever need

Battle tested infrastructure for ZKsync builders

400 billion+

99.99%

2.5x

24/7

Everything you need to build on ZKsync, all under one account

Reliable & scalable RPC endpoints

Learn more about ZKsync, and how to get started

Why build on ZKsync?

Real-time webhooks

Historical Backfills

Supercharge your dApp with add-on services

Multichain JSON RPC

Zksync RPC Docs

The only ZKsync
provider you’ll ever need

Battle tested infrastructure
for ZKsync builders

Everything you need to build on ZKsync,
all under one account

Reliable & scalable
RPC endpoints

Learn more about ZKsync,
and how to get started

Supercharge your dApp with
add-on services