Major incident
Crossref: Crossref Metadata Search - search.crossref.org - Outage (504 gateway timeout)
Aug 20, 2026, 14:13 UTC
started
13:30 UTC
resolved August 21, 2026
23 h 17 min
duration
Affected: Metadata search
Current status of Crossref: Operational — live Crossref status
Timeline
- Aug 20, 2026, 14:13 UTCinvestigatingCrossref Metadata Search has been down and returning a 504 error since approximately 13:00 UTC. We are investigating.
- Aug 20, 2026, 14:15 UTCinvestigatingWe are continuing to investigate this issue.
- Aug 20, 2026, 16:34 UTCmonitoringA fix has been implemented and we are monitoring the results.
- Aug 21, 2026, 13:30 UTCresolvedThis incident has been resolved.
Updates as published by Crossref (original).
Other services with incidents at the same time
This was part of a wider event: 20 services reported incidents within the hour.
- PowerSchool Products 14:58 UTC · Investigating Issues Accessing eFP
- Ellucian Cloud 14:49 UTC · Service Notification: Smart Plan
- GitHub 14:43 UTC · Intermittent failures creating agent tasks
- CallRail 14:13 UTC · Transcriptions API Timeout
- impact.com 13:54 UTC · Newsletters, CRM, and Workflows Emails Not Sending
- Cornerstone 13:53 UTC · Edge Import issues in UK swimlane
- Snowflake 13:47 UTC · INC20000168
More Crossref incidents
- October 21, 2026 New funder matches not available via the Metadata Plus REST API pool
- October 16, 2026 Content Registration Outage and Instability
- October 5, 2026 Metadata Plus REST API not validating API keys
- October 4, 2026 test.crossref.org is currently being monitored
- September 27, 2026 Test admin tool - test.crossref.org - is down
- September 21, 2026 Errors logging in to the test admin tool - test.crossref.org