Any root cause report for the outage on 4/22?

why it happens?
what is the way you found it? and how to avoid it in the future?
what is the influence, and any full report or statistics for it?

hi @lcmmhcc it was a configuration change to an internal network which caused an unexpected disruption of network availability to many of our internal services. We’re implementing additional processes to prevent this issue from happening again.

Full post-mortem published here: Infura Status - ETH1, Palm, Optimism, Polygon, Filecoin, and Arbitrum API outage