A RPC (Remote Procedure Call) is a set of protocols and interfaces that the client interacts with in the blockchain system. The user can query blockchain related information (such as block number, blocks, node connection, etc.) and send transaction requests through the RPC interface.

Here are steps to change the RPC in MetaMask:

Step 1: Click on the top right corner profile picture and then on ‘Settings’.

Untitled

Step 2: Click on ‘Networks’.

Untitled

Step 3: Select the network which RPC information you want to update.

metamask network list.png

Step 4: ****Delete the old RPC URL.

metamask network old rpc.png

Step 5: Add the new RPC URL and click on ‘Save’.

metamask network new rpc.png