Adyen has confirmed a resolve for this issue, see below:
We can confirm that the issue resulting in a service degradation for our cloud terminal api has been fully resolved since 16:43 CEST. Our engineering team remains engaged and is urgently working to resolve the situation. We will provide a new update if required.
We have identified an issue affecting payment processing over cloud terminal api for a subset of terminals connecting to the United States starting at 15:45 CEST. Our engineering team has been engaged and is urgently working to resolve the situation.
Adyen has reported an in person payment processing issue in the United States, see statement from Adyen team:
We are currently experiencing severely degraded performance for merchants connecting to our United States endpoints since 15:45 CEST. Our technical teams are actively working on urgently resolve this issue.