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.

Scheduled Maintenance

20 January - weekly maintenance - release v0.262.0 Jan 20, 2026 15:00-17:00 UTC

We will be undergoing scheduled maintenance - release version 0.262.0 - on 20 January 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.
Posted on Jan 16, 2026 - 15:41 UTC
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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Jan 18, 2026

No incidents reported today.

Jan 17, 2026

No incidents reported.

Jan 16, 2026

No incidents reported.

Jan 15, 2026

No incidents reported.

Jan 14, 2026

No incidents reported.

Jan 13, 2026
13 January - weekly maintenance - release v0.261.0
Completed - The scheduled maintenance has been completed.
Jan 13, 17:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jan 13, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release version 0.261.0 - on 13 January 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.
Jan 12, 17:01 UTC
Jan 12, 2026

No incidents reported.

Jan 11, 2026

No incidents reported.

Jan 10, 2026

No incidents reported.

Jan 9, 2026
Members reporting errors when attempting to update records using the new Metadata Manager
Resolved - This incident has been resolved.
Jan 9, 15:44 UTC
Update - We are continuing to work on a fix for this issue.
Jan 5, 20:03 UTC
Identified - The issue has been identified. This bug is only affecting DOIs with more than one /. Those DOIs will continue to trigger the ‘Error Loading Metadata’ failure messages until we fix the issue. -IF
Dec 16, 20:55 UTC
Investigating - We have had members reporting ‘Error Loading Metadata’ failure messages in the new Metadata Manager tool -https://manage.crossref.org/records - when updating existing records. Our technical team is investigating. -IF
Dec 16, 19:17 UTC
Jan 8, 2026

No incidents reported.

Jan 7, 2026
7 January - REST API planned maintenance
Completed - The scheduled maintenance has been completed.
Jan 7, 12:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jan 7, 10:00 UTC
Scheduled - We will be undergoing scheduled REST API maintenance on 7 January from 1000 to 1200 UTC. During this time, works in the REST API will be available, but some relationships may not be available. Specifically, Retraction Watch, updates asserted by Crossref, primary and aliased DOIs, has-update and has-alias relationships and Crossmark will be affected. -IF
Dec 12, 04:22 UTC
Jan 6, 2026
6 January - weekly maintenance - release v0.260.0
Completed - The scheduled maintenance has been completed.
Jan 6, 16:01 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jan 6, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release version 0.260.0 - on 6 January 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.
Jan 5, 15:24 UTC
Jan 5, 2026
Jan 4, 2026

No incidents reported.

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