All Systems Operational

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.
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 31, 2026

No incidents reported today.

Jan 30, 2026

No incidents reported.

Jan 29, 2026

No incidents reported.

Jan 28, 2026

No incidents reported.

Jan 27, 2026
Completed - The scheduled maintenance has been completed.
Jan 27, 15:26 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jan 27, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release version 0.263.0 - on 27 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 26, 15:32 UTC
Jan 26, 2026

No incidents reported.

Jan 25, 2026

No incidents reported.

Jan 24, 2026

No incidents reported.

Jan 23, 2026

No incidents reported.

Jan 22, 2026

No incidents reported.

Jan 21, 2026

No incidents reported.

Jan 20, 2026
Completed - The scheduled maintenance has been completed.
Jan 20, 16:50 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jan 20, 15:00 UTC
Scheduled - 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.
Jan 16, 15:41 UTC
Jan 19, 2026

No incidents reported.

Jan 18, 2026

No incidents reported.

Jan 17, 2026

No incidents reported.