The issue with FedEx API appears to have been resolved on their end. We will continue to monitor the situation before marking this incident as resolved.
Posted Dec 02, 2019 - 11:20 PST
Investigating
We are seeing intermittent issues with some carrier API performance. For updates, you can see major carrier uptime at https://shippingapimonitor.com
This can cause delays in rating on the ShipHawk API which is used by all of our eCommerce integrations as well.