I am trying to deploy my contracts following the exact from your documentation Using Truffle | Matic Network | Documentation. I am unable to deploy.
First it showed me
Error: PollingBlockTracker - encountered an error while attempting to update latest block:
Error: Unknown Error: {"error":"Host Not Found","status_code":404}
and then I updated URL to https://rpc-mumbai.maticvigil.com
now its giving another error message as
message: 'Too Many Requests',