zkSync Era RPC endpoints with ZK rollup security. Native account abstraction, low fees, and Ethereum-grade security through zero-knowledge proofs.
<45ms
Avg latency
99.9%
Uptime SLA
5
Global regions
50K
Free requests/mo
eth_calleth_getBalanceeth_getLogszks_getL1BatchDetailseth_subscribeFull method list available in the RPC documentation.
import { createPublicClient, http } from 'viem'
import { zkSync } from 'viem/chains'
const client = createPublicClient({
chain: zkSync,
transport: http('https://rpc.kubernodes.com/zksync?apiKey=YOUR_KEY'),
})
const blockNumber = await client.getBlockNumber()
console.log('Latest block:', blockNumber)Get a free API key with 50,000 requests per month. No credit card required. Upgrade anytime as your project grows.