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Best ZKsync RPC Nodes and APIs

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ZKsync Public 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

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Latest ZKsync Updates!

OnFinalityMar 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!

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