From https://twitter.com/BoxStatus and https://status.box.com/incidents/jn65kprkt605?u=g5d1g1klttjt:
2:32 PM - We are currently investigating reports of the inability to access Box Services. We will provide more information as soon as it is available.
2:58 PM - We are continuing to investigate reports of the inability to access Box Services. At this time, our teams are actively working to isolate the root cause and take actions to remediate. We will provide more information as soon as it is available.
3:35 PM - We are beginning to see recovery and successful requests, and we are continuing to investigate. Users attempting to access Box are receiving 500 errors. This issue currently affects all endpoints, including the website, Box applications (Box Sync, Drive, and mobile applications) and the API. We will provide an update in 30 minutes or as we have new information
3:50 PM - The customer experience is close to recovered at this time. We understand the proximal cause of the issue and are implementing short-term steps to remediate the issue. We are observing metrics and successful attempts approach normal levels, although we are continuing to investigate the issue as a partial outage. We will provide the next update in 30 minutes or as we have new information.
4:12 PM - We have completely recovered from the issue and we'll continue to monitor the services closely to ensure full site stability. If you observe any new errors, please let us know at https://support.box.com.