generated: '2026-07-20'
method: searched
source: npm, PyPI, pkg.go.dev, github.com/zksync-sdk
packages:
  - language: javascript
    registry: npm
    name: zksync-ethers
    url: https://www.npmjs.com/package/zksync-ethers
    install: npm install zksync-ethers ethers
    version: 6.21.2
    repository: https://github.com/zksync-sdk/zksync-ethers
    description: Web3 library (ethers.js v6 extension) for interacting with ZKsync Era Layer 2.
    official: true
  - language: javascript
    registry: npm
    name: zksync-web3
    url: https://www.npmjs.com/package/zksync-web3
    install: npm install zksync-web3
    version: 0.17.1
    description: Predecessor ethers.js v5 based ZKsync library (superseded by zksync-ethers).
    official: true
    deprecated: true
  - language: python
    registry: pypi
    name: zksync2
    url: https://pypi.org/project/zksync2/
    install: pip install zksync2
    version: 2.0.0
    repository: https://github.com/zksync-sdk/zksync2-python
    description: ZKsync Era Python client SDK.
    official: true
  - language: go
    registry: pkg.go.dev
    name: github.com/zksync-sdk/zksync2-go
    url: https://pkg.go.dev/github.com/zksync-sdk/zksync2-go
    install: go get github.com/zksync-sdk/zksync2-go
    repository: https://github.com/zksync-sdk/zksync2-go
    description: ZKsync Era Go client SDK.
    official: true
  - language: javascript
    registry: npm
    name: zksync-cli
    url: https://www.npmjs.com/package/zksync-cli
    install: npx zksync-cli
    version: 1.13.0
    repository: https://github.com/matter-labs/zksync-cli
    description: CLI to scaffold, develop and interact with the ZKsync network. Cataloged in cli/.
    official: true
  - language: javascript
    registry: npm
    name: zksync-sso
    url: https://github.com/matter-labs/zksync-sso
    install: npm install zksync-sso
    repository: https://github.com/matter-labs/zksync-sso
    description: ZKsync SSO SDK for smart-account / passkey based authentication.
    official: true
notes: >-
  First-party SDKs are published under the zksync-sdk GitHub organization (a Matter Labs
  org) and matter-labs. The ZKsync Era API is a public JSON-RPC endpoint; SDKs wrap the
  eth_* and zks_* namespaces plus L1<->L2 bridging helpers.