# Polygon mainnet

**URL:** https://community.metamask.io/t/polygon-mainnet/26968
**Category:** General
**Created:** [September 17, 2023, 8:52pm UTC](https://community.metamask.io/t/polygon-mainnet/26968 "2023-09-17T20:52:30Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![Maryam](https://dub1.discourse-cdn.com/metamask/user_avatar/community.metamask.io/maryam/32/14141_2.png) [@Maryam](https://community.metamask.io/u/Maryam)
#### Post date: [September 17, 2023, 9:09pm UTC](https://community.metamask.io/t/polygon-mainnet/26968/2 "2023-09-17T21:09:06Z")

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Hi @josepp , welcome to the MetaMask community,

The issue is either related to the Polygon RPC you are using or the network/IP. Changing the RPC may resolve the issue. You can change it using the following link. Please remove the 2 spaces I inserted in the link.  
https:// chainlist. org/

To see the list of the RPCs, click on the small arrow at the bottom of the Polygon network box. Then add an appropriate one to your wallet.  
For more information, refer to the following article.

> **[How to add a custom network RPC](https://support.metamask.io/hc/en-us/articles/360043227612-How-to-add-a-custom-network-RPC)**
>
> Contents:
> 
> Adding via Chainlist
> Adding popular networks quickly
> Adding networks manually
> 
>  
> MetaMask can access many more networks than just Ethereum mainnet: you can add any EVM-compatible network...

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_[View the full topic](https://community.metamask.io/t/polygon-mainnet/26968)._