Outage in Crossref
Intermittent 504 (Gateway time-out) status code errors on OAI-PMH queries
Resolved MinorIncident Report
We have had metadata users report that they are receiving intermittent 504 (Gateway time-out) status code errors on calls to OAI-PMH endpoints. We have been able to replicate and are currently investigating. -IF
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Latest Updates ( sorted recent to last )
RESOLVED
9 months ago - at 08/12/2025 07:47PM
This incident has been resolved.
MONITORING
9 months ago - at 08/08/2025 03:09PM
We believe our changes have solved this issue, but we're going to continue to monitor this over the weekend. -IF
MONITORING
9 months ago - at 08/06/2025 06:26PM
A fix has been implemented and we are monitoring the results.
IDENTIFIED
9 months ago - at 07/30/2025 04:03PM
We are continuing to work on a fix for this issue.
IDENTIFIED
9 months ago - at 07/28/2025 06:49PM
This issue has been identified and we'll be releasing a fix during tomorrow's maintenance window. -IF
INVESTIGATING
10 months ago - at 07/25/2025 08:40PM
We are continuing to investigate this issue.
INVESTIGATING
10 months ago - at 07/24/2025 03:28PM
We are continuing to investigate this issue.
INVESTIGATING
10 months ago - at 07/23/2025 07:12PM
We have had metadata users report that they are receiving intermittent 504 (Gateway time-out) status code errors on calls to OAI-PMH endpoints. We have been able to replicate and are currently investigating. -IF
Latest Crossref outages
Bug identified, possibly resulting in failed submissions. Emergency maintenance scheduled. - about 22 hours ago
April 2026 JSON Snapshot is missing data for records created or updated on 4/29 and 4/30 - 5 days ago
Main website down between 05:46 UTC and 06:47 UTC - 22 days ago
Crossref Resolution Reports unavailable - about 2 months ago
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