Crossref incident
test.crossref.org is currently being monitored
Crossref experienced a critical incident on October 4, 2026 affecting Test admin tool, lasting 1d 1h. The incident has been resolved; the full update timeline is below.
Affected components
Test admin tool
Update timeline
- investigating Oct 04, 2026, 11:30 AM UTC
The test admin system has been down since about 09:30 UTC, so members will see a 503 Service Unavailable message when visiting test.crossref.org. We're investigating. -GH
- monitoring Oct 04, 2026, 01:18 PM UTC
The test server ran out of memory and stopped responding; we restarted it, and it's working again. If you had problems depositing or querying in the test system during this time, please try again. We'll monitor. -GH
- monitoring Oct 04, 2026, 01:18 PM UTC
We are continuing to monitor for any further issues.
- resolved Oct 05, 2026, 12:49 PM UTC
This incident has been resolved.