> For the complete documentation index, see [llms.txt](https://docs.wetez.io/wetez/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wetez.io/wetez/user/metamask-rpcs.md).
# Metamask RPCs
## You can add
Ethereum mainnet, Polygon mainnet and Arbitram mainnet RPC endpoint to metmask.
## Steps to Customise your Metamask
* [Create a free account on Wetez](#create-a-free-account-on-wetez)
* [Add network on Metamask](#add-network-on-matemask)
* [Fill in the network info](#fill-in-the-network-info)
### Create a free account on Wetez
Access to the Wetez rpc services via [Wetez website](https://www.wetez.io/)-API tab:
Sign up for a free Wetez API account:
Fill in your email and password, then click "Sign up", then you will get your account.
You'll see your API key right there on the Wetez APIs dashboard, for all the networks Wetez supported, the same API key will fit:
To check your RPC endpoints, just scroll down the page and choose the corresponding network:
### Add network on Matemask
Open your Metamask wallet and click the network dropdown, then click the "Add network“ button at the bottom：
Then choose "add a network manually":
### Fill in the network info
You'll be presented with a page asking you to fill in the network info, which will be found in the following table:
Tips：don't forget to give the network a different name to distinguish it from the original one:
Then fill the RPC endpoint you get from Wetez APIs into the ”New RPC URL“ and click "Save"：
Now you can use Matemask with Wetez APIs!