Free / public RPC URLs
Public RPC URLs for ZKsync Era
These endpoints are free, anonymous, and rate limited. They are useful for development, wallet reads, and one off scripts. For production traffic or indexer workloads, pair them with a paid provider so the public list becomes your fallback rather than your primary.
| RPC URL | Hosted by | Notes |
|---|---|---|
| https://mainnet.era.zksync.io | Matter Labs (official) | Recommended in official docs. |
| https://zksync.drpc.org | dRPC | |
| https://1rpc.io/zksync2-era | 1RPC |
Paid RPC providers
Paid RPC providers for ZKsync Era
Production dapps, indexers, and trading systems should use a managed provider with a private API key, archive history, and an SLA. These providers list ZKsync Era support on their public pricing pages.
- Alchemy
Supernode RPC plus enhanced APIs across 40+ chains.
Free tier: 30M compute units per month on the Free plan.
- QuickNode
Globally distributed RPC across 50+ chains.
Free tier: Seven day free trial with full feature access.
- Ankr
Public RPC for 80+ chains plus a Premium tier.
Free tier: Free public endpoints (rate limited) for 80+ chains, no signup required.
- GetBlock
Shared and dedicated nodes across 50+ chains.
Free tier: Free plan with a daily request cap shared across chains.
- BlockPI
Pay as you go RPC with no monthly minimums.
Free tier: Free public endpoints per chain with shared rate limits.
- Chainstack
Region selectable elastic and dedicated nodes.
Free tier: Free Developer plan with 3M requests per month.
- Tenderly
RPC with first class simulation and debugging.
Free tier: Free plan with simulator access and a small RPC quota.
- dRPC
Decentralised RPC across 100+ chains.
Free tier: Free public endpoints per chain plus a generous metered free tier.
- NodeReal
MegaNode RPC with deep BNB Chain support.
Free tier: Free plan with 3M compute units per day.
Block explorers and docs
ZKsync Era explorers and documentation
- ZKsync Era Explorer — https://explorer.zksync.ioEIP 3091
- ZKsync Blockscout — https://zksync.blockscout.comEIP 3091
- Official documentation — https://docs.zksync.io/
- Canonical bridge — https://portal.zksync.io/bridge/
When the answer is real
Caveats and things to verify
- ZKsync Era uses native account abstraction. Some assumptions about tx.origin and EOA flows do not hold — read the differences guide before porting.
- Some standard Solidity bytecode patterns produce slightly different gas profiles on Era.
FAQ
Frequently asked questions
What is the ZKsync Era chain ID?
ZKsync Era mainnet chain ID is 324 (hex 0x144). ZKsync Sepolia testnet is chain ID 300.
Sources
- ZKsync docs — https://docs.zksync.io/
- ChainList chain 324 — https://chainlist.org/chain/324