From https://status.aws.amazon.com/ -- API Error Rates in US-EAST-1 We are seeing impact to multiple AWS APIs in the US-EAST-1 Region. This issue is also affecting some of our monitoring and incident response tooling, which is delaying our ability to provide updates. We have identified the root cause and are actively working towards recovery.
This has a variable performance impact on CBT's provided services. For example, iOS devices on our service are accessible. We are monitoring the situation as it develops.