Around 03:50 UTC on 01 November 2018 one of our load-balancers became unresponsive. This may have resulted in request time-outs for some customers. The load-balancer was discovered and sacked.
As a reminder, we encourage customers to follow our best practices for best performance. ("Use DNS to Resolve IP Addresses" - https://smartystreets.com/docs/cloud/requirements#dns
All is now well again in the server closet at SmartyStreets. Happy November!!