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ZKsync RPC Endpoint and API Service

The Elastic Network

Connect to ZKsync in seconds with OnFinality RPC endpoints, request analytics, scalable rate limits, and 99.99% uptime for production Web3 apps.

The Elastic Network

Create RPC Endpoint

ZKsync RPC Endpoint

The below example uses the public API endpoint*. This endpoint is only suitable for testing. To avoid rate limiting and service interruption, sign up now to get your own API key.
curl -H 'content-type:application/json' -d '{"id": 1, "jsonrpc": "2.0", "method": "eth_blockNumber"}' 'https://zksync.api.onfinality.io/public'
https://zksync.api.onfinality.io/public
wss://zksync.api.onfinality.io/public-ws

* The public endpoint is rate limited

RPC API Service

RPC API Features

Archive

An ever-expanding, verifiable network of blockchains, powered by ZKsync.

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Additional Info

Project Website
Documentation
RPC API SERVICE
Reliable RPC endpoints with high rate limits
Powerful RPC request analytics
99.99% uptime
Connect via HTTPS or websocket
Decentralised servers hosted globally
Full archive access at no extra cost
PRICING

Calculate Your Costs

Only pay for what you need.

Million Standard Requests
0100M200M300M400M
Total Cost
$49/ month

Recommended Plan: GROWTH

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Latest ZKsync Updates!

Mar 25,2025

OnFinality boosts ZKsync with lightning fast RPC endpoint

OnFinality provides easy to use, reliable and scalable API endpoints for builders to deploy and run their dApps on ZKsync quickly and easily!

View all blogs
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