TomChienXu's PhatNguoiAPI website outage - service repurposed
February 16th, 2026 - 00:24 UTC+7
Message from the team: Please use the following alternatives while we work on restoration for temporary access, or contact our support team at [email protected] for more information (we would response as soon as we'd like to, or else). We apologize for the inconvenience and appreciate your patience during this critical maintenance period. Our team is actively working around the clock to restore full service capability as quickly as possible.
Temporary solution: Please use other alternative solutions.

Summary	The PhatNguoiAPI service is currently unavailable.
Root cause	The host has been repurposed to run a private game server by the owner, taking PhatNguoiAPI services offline.
Impact	All services are unavailable (for a long time btw). Fetching violation data services, API services are not available.
Status	The website is taken down successfully. Recovery options (restore from backup or migrate services) are being evaluated.
Estimated restoration time	Unknown.
Next update	Within 2 (idk) hours or as new information becomes available.

Online Judge website outage - service repurposed
December 24th, 2025 - 11:00 UTC+7
Temporary solution: Please redirect to http://mk.tcpp.edu.vn as an alternative.
Resolved: The website has been successfully restored with a new host, better hardware and performance. All data has been restored and transferred successfully. All services are back online and fully operational. Please visit http://oj.tunaa.io.vn to access the service.

Summary	The Online Judge service is currently unavailable.
Root cause	The host has been repurposed to run a private game server by the owner, taking judge services offline.
Impact	All services are unavailable (for a long time btw). Submission processing, problem access, and contest features are suspended for all users.
Status	The website is taken down successfully. Recovery options (restore from backup or migrate services) are being evaluated.
Estimated restoration time	Unknown.
Next update	Within 2 (idk) hours or as new information becomes available.