We are aware of an API outage from Wednesday 01 August, 2018 00:35 UTC. We are investigating and will keep you notified in this article.
UPDATE (1 Aug 2018 02:11:52 UTC) : API is back online, our service provider is investigating the root cause.
UPDATE (1 Aug 2018 07:57 UTC) : A network firewall configuration update prevented the application gateway passing traffic to the backend nodes. No data was impacted.