Comment on page

Adding a New Network to MetaMask - Blast Custom RPC

A step-by-step tutorial on how to add a network to MetaMask using a custom RPC endpoint and the Blast platform.


  • MetaMask browser extension installed
  • Blast account already created
  • Project already created:
  • Endpoints already generated: More details to be found here: generating-your-own-endpoint-on-blast​
Once you have all the prerequisites prepared, you just need to follow the steps described below to add a custom RPC endpoint to your MetaMask.

Add custom RPC endpoint to MetaMask:

  1. 1.
    Open the Blast dashboard, go to an already created project, and choose a chain. For this tutorial, we have chosen to use the Polygon Mainnet endpoint. Click on "Add to Metamask" button.
Add to Metamask button
2. On the Metamask window press Approve button and then "Switch network" button.
Approve new network in Metamask
Switch to new network in Metamask
3 Once you have saved your configuration, the newly added network will be displayed in Metamask network settings.