Polygon RPCs are used to interact with Polygon chain. During heavy loads of transactions, there can happen that certain RPC stops to work for a while. In that case, you can find full list of public Polygon RPCs in the list below and try them to see if different one works for you or upvote the one that you like and use the most for other users.
What is RPC?
Remote Procedure Call, in short RPC, is a set of protocols through which the user interacts with the blockchain.
What is RPC used for?
Using RPC, the user can query the blockchain-related information (such as block number for example) and send the transaction request through the RPC to interact with the specific blockchain (in our case Polygon chain).
How do I change my RPC in MetaMask?
If you are using MetaMask, head to "Settings", select "Networks" and click "Add Network" and fill the fields as follows:
Network Name: Up to you, for example, "Polygon"
New RPC Url: RPC Url you have chosen
Chain ID: 137
Currency Symbol: MATIC
Block Explorer URL: https://polygonscan.com/
After saving, you should be able to interact using the selected RPC.
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