# Getting started on zkSync

In order to add the zkSync Era alpha mainnet network to your wallet, you will need to enter the following details:

1. Sign into your Metamask wallet and click on the network in the top center:

![img](https://era.zksync.io/docs/assets/connect-1-d2357a69.png)

2. Click on **Add network**.
3. Scroll down to the bottom of the network list and click **Add network manually**.
4. Fill in the zkSync Era mainnet or testnet network details:

**Mainnet network info**

* Network Name: `zkSync Era Mainnet`
* RPC URL: `https://mainnet.era.zksync.io`
* Chain ID: `324`
* Currency Symbol: `ETH`
* Block Explorer URL: `https://explorer.zksync.io/`
* WebSocket URL: `wss://mainnet.era.zksync.io/ws`

**Testnet network info**

* Network Name: `zkSync Era Testnet`
* RPC URL: `https://testnet.era.zksync.dev`
* Chain ID: `280`
* Currency Symbol: `ETH`
* Block Explorer URL: `https://goerli.explorer.zksync.io/`
* WebSocket URL: `wss://testnet.era.zksync.dev/ws`

5. Click "Save"


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://merlindex.gitbook.io/merlin/starting-on-zksync/introducing-zksync/getting-started-on-zksync.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.