Kraken announced that the Spot Exchange Website and API would undergo scheduled maintenance on Monday, August 4th at 07:00 UTC as part of a system upgrade. Users were advised to refrain from placing or canceling orders during this period.
Following the maintenance, markets temporarily entered cancel-only mode, then post-only mode, before fully resuming normal operations.
The maintenance began as planned and was completed at 07:25 UTC on August 4th.