The Gemini exchange announced on May 30th, at 17:48 UTC, that scheduled maintenance of the REST, FIX, and Websockets API endpoints would be performed from 18:30 to 19:30 UTC. Customers may have experienced brief timeouts during that period when executing orders via the REST, FIX, and Websockets endpoints.
The maintenance has been performed by 19:29 UTC and is now complete.