Crossref experienced a major incident on June 3, 2025 affecting Metadata search, lasting 2h 2m. The incident has been resolved; the full update timeline is below.
Affected components
Metadata search
Update timeline
- investigating Jun 03, 2025, 10:12 AM UTC
For the last hour, Crossref Search has been showing a 504 timeout status response due to heavy use. We're investigating and looking at adding more capacity to balance the high traffic. -GH
- resolved Jun 03, 2025, 12:15 PM UTC
We have increased capacity, and the service is now restored. Thanks for your patience! -GH