# zkSync API Reference Overview
- API v0.1 (REST + JSON RPC)
zkSync support has been implemented for various platforms:
# Ecosystem libraries
This section also covers the ecosystem libraries we maintain:
- Cryptographic backends: support of zkSync cryptography in different programming languages.
- zkCheckout: TypeScript library to integrate zkSync payments for your application.
- Schnorr MuSig (opens new window): Rust / WASM library for multisig support.