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

3 March - weekly maintenance - release v0.267.0 Mar 3, 2026 15:00-17:00 UTC

We will be undergoing scheduled maintenance - release version 0.267.0 - on Tuesday, 3 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.
Posted on Mar 02, 2026 - 18:41 UTC
System Metrics Month Week Day
Public REST API Response Time
Fetching
Public REST API Uptime
Fetching
Polite REST API Response Time
Fetching
Polite REST API Uptime
Fetching
Plus REST API Response Time
Fetching
Plus REST API Uptime
Fetching
Plus OAI-PMH Response Time
Fetching
Plus OAI-PMH Uptime
Fetching
OpenURL Response Time
Fetching
OpenURL Uptime
Fetching
Public Content Negotiation Response Time
Fetching
Public Content Negotiation Uptime
Fetching
Polite Content Negotiation Response Time
Fetching
Polite Content Negotiation Uptime
Fetching
Plus Content Negotiation Response Time
Fetching
Plus Content Negotiation Uptime
Fetching
Crossmark Response Time
Fetching
Crossmark Uptime
Fetching
Event Data Query API Response Time
Fetching
Event Data Query API Uptime
Fetching
Crossref Metadata Search Response Time
Fetching
Mar 3, 2026

No incidents reported today.

Mar 2, 2026

No incidents reported.

Mar 1, 2026

No incidents reported.

Feb 28, 2026

No incidents reported.

Feb 27, 2026

No incidents reported.

Feb 26, 2026

No incidents reported.

Feb 25, 2026
Website down for ≈ 20 minutes, on 25-02-2026
Resolved - Yesterday, we experienced a brief website (www.crossref.org) downtime from 10:05 UTC to 10:24 UTC. This issue was resolved, and a temporary fix was implemented to prevent such spontaneous disruptions while we work on a permanent solution. EA
Feb 25, 10:00 UTC
Feb 24, 2026
24 February - weekly maintenance - release v0.266.0
Completed - The scheduled maintenance has been completed.
Feb 24, 15:58 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 24, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release version 0.266.0 - on Tuesday, 24 February 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.
Feb 23, 15:54 UTC
Feb 23, 2026

No incidents reported.

Feb 22, 2026

No incidents reported.

Feb 21, 2026

No incidents reported.

Feb 20, 2026

No incidents reported.

Feb 19, 2026

No incidents reported.

Feb 18, 2026

No incidents reported.

Feb 17, 2026
17 February - weekly maintenance - release v0.265.0
Completed - The scheduled maintenance has been completed.
Feb 17, 17:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 17, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release version 0.265.0 - on 17 February 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.
Feb 16, 14:52 UTC
← Incident History Powered by Atlassian Statuspage