# ZKsync Sepolia RPC and network details

Source: https://www.alchemy.com/rpc/zksync-sepolia

This network is the primary testing environment for ZKsync.

## Network details

- Network: Sepolia
- Chain ID: 300
- Environment: Testnet
- Category: L2
- Native token: ZK
- Gas token: ETH
- Block time: 2s

## Endpoints

- Alchemy RPC: https://zksync-sepolia.g.alchemy.com/v2/API_KEY
- Alchemy WebSocket: wss://zksync-sepolia.g.alchemy.com/v2/API_KEY

Replace API_KEY with a key from https://dashboard.alchemy.com/signup.

## Alchemy product support

Supported on ZKsync Sepolia: RPC API, Debug API, Token API, NFT API, Websockets, Webhooks, Transfers API.

Not currently supported: Transaction receipts API, Block Timestamp API, User OP Simulation API, Prices API, Trace API, Bundler API, gRPC, Gas Manager.

## Build on Alchemy

Alchemy provides ZKsync Sepolia RPC endpoints and a range of data APIs, so you can confidently debug and test your code before shipping to ZKsync mainnet.

## Available networks

- ZKsync Mainnet: https://www.alchemy.com/rpc/zksync

## Links

- Alchemy docs: https://docs.alchemy.com/reference/zksync-api-quickstart
- Official docs: https://docs.zksync.io/
- Website: https://zksync.io/
- GitHub: https://github.com/matter-labs
- Block explorer: https://sepolia.explorer.zksync.io/
- Bridge: https://portal.zksync.io/bridge?network=sepolia
- Faucet: https://www.alchemy.com/faucets/zksync-sepolia