We're investigating an issue with Sandbox API in our Azure regions. Next update in 5 minutes.
Update Nov 19, 2020 09:03 UTC - Configuration issue caused the release of Sandbox API today at 8:23 UTC that did not work properly. The problem was noticed and rollback began. At 8:58 UTC the release was rolled back. We're verifying that the issue is resolved.
Update Nov 19, 2020 09:10 UTC - We verified that the rollback restored the API to a fully working condition. The incident is now resolved.