# Adding Polygon

### Adding Polygon to MetaMask

Open MetaMask and click the list of networks at the top, then select "Add Network".\


![](https://4013227000-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mk7WfsQmn6GVKe5X77j%2Fuploads%2FWd7kDMojg42cysnOsdax%2Fimage.png?alt=media\&token=32a5997f-abe7-4b88-af3a-8ef45cca166d)

###

### Fill the Endpoint Information

You will be prompted for additional information. Use the table below to complete the step. Below you will see the main option for RPC URL and Chain ID corresponding to Polygon's mainnet where Enders Gate TCG is built on.\


{% hint style="info" %}
**Use the RPC URL and Chain ID of Shard 0.** \
\
**Enders Gate is built on Shard 0 of the Harmony Blockchain.**&#x20;
{% endhint %}

| Field                                                 | Mainnet                                              |
| ----------------------------------------------------- | ---------------------------------------------------- |
| **Network Name**                                      | Polygon                                              |
| **New RPC URL**                                       | [https://polygon-rpc.com/](https://polygon-rpc.com/) |
| <p><strong>Chain ID</strong><br>(use number only)</p> | 137                                                  |
| **Currency symbol (optional)**                        | MATIC                                                |
| **Block Explorer URL (optional)**                     | [https://polygonscan.com/](https://polygonscan.com/) |

The example below shows the configuration that needs to be done to connect to Polygon Mainnet:

Click the Save button and your configuration should be done!

<figure><img src="https://4013227000-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mk7WfsQmn6GVKe5X77j%2Fuploads%2FVw4gSbVzLBrhjc7WWD0E%2Fimage.png?alt=media&#x26;token=8ff51ef1-2586-4eac-8616-c2fad77a39df" alt=""><figcaption></figcaption></figure>

**You have successfully added Polygon Network to your Metamask!**

{% hint style="success" %}
**EASY WAY TO ADD POLYGON MAINNET**

If you just need to add Polygon Mainnet, you can follow these steps:

1. On Metamask, select the Network tab:

![](https://4013227000-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mk7WfsQmn6GVKe5X77j%2Fuploads%2FR9o3r48evkPKcAJ9t9B3%2Fimage.png?alt=media\&token=4895a0b1-125f-4f7b-97a4-714f89ffa373)\
\
2\. Click on **Add Network**: \
![](https://4013227000-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mk7WfsQmn6GVKe5X77j%2Fuploads%2FkRfzVoEq82mxTeYJ5L2K%2Fimage.png?alt=media\&token=40c7f901-d332-46a3-926b-1617f10f81d1)\
\
3\. Find Polygon Mainnet on the list of available networks:\
\
<img src="https://4013227000-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mk7WfsQmn6GVKe5X77j%2Fuploads%2F8aG6gnwYTB697l84uXcu%2Fimage.png?alt=media&#x26;token=bcab64bf-3cd8-4739-b96e-5303856044a7" alt="" data-size="original">\
\
4\. Approve the network addition:\
![](https://4013227000-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mk7WfsQmn6GVKe5X77j%2Fuploads%2FRMxbr4q9HvMMlG3WBZoC%2Fimage.png?alt=media\&token=494179c7-3e7f-4ab5-bec0-b699efb34aa8)\
\
5\. Now you may see the Polygon Mainnet on the Networks tab:\
![](https://4013227000-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mk7WfsQmn6GVKe5X77j%2Fuploads%2F9hkntsvNQuRztL6Lbomy%2Fimage.png?alt=media\&token=d35105cd-3296-4591-b325-3450dec8b847)
{% endhint %}
