All Systems Operational

Uptime over the past 90 days. View historical uptime.
APIs Operational
Public REST API Operational
Polite REST API Operational
OAI-PMH Operational
XML API Operational
Event Data Query API Operational
OpenURL Operational
Crossmark dialog server Operational
Public content negotiation Operational
Polite content negotiation Operational
Metadata Plus Operational
Plus REST API Operational
Plus OAI-PMH Operational
XML Snapshots Operational
JSON Snapshots Operational
Plus content negotiation Operational
Key Manager Operational
Content Registration Operational
Admin tool Operational
Test admin tool Operational
Web deposit form Operational
New Metadata Manager Operational
Metadata files Operational
Open Funder Registry Operational
Retraction Watch Operational
Annual public data files Operational
Sites Operational
Crossref website Operational
Crossref support Operational
Metadata search Operational
Participation reports Operational
Integrations and external dependencies Operational
90 days ago
100.0 % uptime
Today
Handle servers Operational
Monitoring of iThenticate can be seen at https://turnitin.statuspage.io. Operational
AWS cloudfront Operational
ORCID Auto-update Operational
90 days ago
100.0 % uptime
Today
Meta Operational
deliberately-unreliable server Operational
Demo Auth Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

System Metrics Month Week Day
Public REST API Response Time
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Public REST API Uptime
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Polite REST API Response Time
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Polite REST API Uptime
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Plus REST API Response Time
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Plus REST API Uptime
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Plus OAI-PMH Response Time
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Plus OAI-PMH Uptime
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OpenURL Response Time
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OpenURL Uptime
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Public Content Negotiation Response Time
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Public Content Negotiation Uptime
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Polite Content Negotiation Response Time
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Polite Content Negotiation Uptime
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Plus Content Negotiation Response Time
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Plus Content Negotiation Uptime
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Crossmark Response Time
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Crossmark Uptime
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Event Data Query API Response Time
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Event Data Query API Uptime
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Crossref Metadata Search Response Time
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Apr 2, 2026

No incidents reported today.

Apr 1, 2026

No incidents reported.

Mar 31, 2026
31 March - weekly maintenance - release v0.271.0
Completed - The scheduled maintenance has been completed.
Mar 31, 15:44 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 31, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release version 0.271.0 - on Tuesday, 31 March from 1500 to 1700 UTC. Our members may experience delays in deposit system admin tool (doi.crossref.org) processing. Deposits submitted during this time will be stored and processed after the maintenance has been completed.
Mar 30, 15:16 UTC
Mar 30, 2026
Failures downloading the 2026 public data file via Academic Torrents
Resolved - The 2026 public data file was stalling during download via Academic Torrents (https://academictorrents.com/details/b5ee0e102689b3e67023dd024694c0f5f124646f) for the last few days due to an issue with the number of available sources. We have addressed the issue and downloads should now be completing with no stalling/delays.
Mar 30, 15:13 UTC
Mar 29, 2026

No incidents reported.

Mar 28, 2026

No incidents reported.

Mar 27, 2026

No incidents reported.

Mar 26, 2026

No incidents reported.

Mar 25, 2026

No incidents reported.

Mar 24, 2026
24 March - weekly maintenance - release v0.270.0
Completed - The scheduled maintenance has been completed.
Mar 24, 17:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 24, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release version 0.270.0 - on 24 March from 1500 to 1700 UTC. Our members may experience delays in deposit system admin tool (doi.crossref.org) processing. Deposits submitted during this time will be stored and processed after the maintenance has been completed.
Mar 23, 15:33 UTC
Crossref Resolution Reports unavailable
Resolved - Resolution reports were unavailable from around 02:28 UTC to 09:42 UTC, due to the server running out of memory. We have rebooted the server and the service is now available again.
Mar 24, 10:49 UTC
Investigating - Crossref Resolution Reports (https://www.crossref.org/06members/51depositor.html) are currently unavailable. We will provide an update as soon as we have further information.
Mar 24, 09:41 UTC
Mar 23, 2026

No incidents reported.

Mar 22, 2026

No incidents reported.

Mar 21, 2026

No incidents reported.

Mar 20, 2026

No incidents reported.

Mar 19, 2026

No incidents reported.

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