Matter Labs

ZKsync Era JSON-RPC API

Ethereum-compatible JSON-RPC 2.0 API for the ZKsync Era ZK rollup. Standard eth_* methods plus the ZKsync-specific zks_* namespace (batches, bridging, fee estimation, proofs) over HTTPS POST, with a WebSocket pub/sub surface for subscriptions.

GitHub

Documentation

📖
Documentation
https://docs.zksync.io/zksync-protocol/api
📖
APIReference
https://docs.zksync.io/zksync-protocol/api/zks-rpc

Other Resources

🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/matter-labs/refs/heads/main/apis.yml

API entry from apis.yml

apis.yml Raw ↑ 
name: ZKsync Era JSON-RPC API
description: Ethereum-compatible JSON-RPC 2.0 API for the ZKsync Era ZK rollup. Standard eth_* methods
  plus the ZKsync-specific zks_* namespace (batches, bridging, fee estimation, proofs) over HTTPS POST,
  with a WebSocket pub/sub surface for subscriptions.
humanURL: https://docs.zksync.io/zksync-protocol/api
baseURL: https://mainnet.era.zksync.dev
tags:
- JSON-RPC
- Blockchain
- Ethereum
- Layer 2
properties:
- type: Documentation
  url: https://docs.zksync.io/zksync-protocol/api
- type: APIReference
  url: https://docs.zksync.io/zksync-protocol/api/zks-rpc