Update - Our main website - https://www.crossref.org/ - was down from 1835 to 1843 UTC today. We believe this downtime was related to the intermittent network issues we've been investigating.
Feb 07, 2024 - 21:22 UTC
Update - Everything is now stable, but it is possible that this issue may recur in the near future. Because of that, we're going to leave this incident notification up for the time being while we continue to investigate the cause and work on a permanent fix.
Jan 25, 2024 - 15:09 UTC
Update - We are continuing to investigate this issue.
Jan 24, 2024 - 14:07 UTC
Investigating - We seem to be experiencing intermittent network issues in our data centre which has caused brief interruptions to all services. Our infrastructure team are working to understand the cause and to resolve the problem.
Jan 24, 2024 - 11:32 UTC
APIs Partial Outage
Public REST API ? Operational
Polite REST API ? Operational
OAI-PMH ? Partial Outage
XML API ? Partial Outage
Event Data Query API ? Partial Outage
OpenURL ? Partial Outage
Crossmark dialog server ? Partial Outage
Public content negotiation ? Partial Outage
Polite content negotiation ? Partial Outage
Metadata Plus Partial Outage
Plus REST API ? Operational
Plus OAI-PMH ? Partial Outage
XML Snapshots ? Operational
JSON Snapshots ? Operational
Plus content negotiation ? Partial Outage
Sites Degraded Performance
Crossref website ? Degraded Performance
Crossref support ? Operational
Metadata search ? Operational
Participation reports ? Operational
Content Registration Operational
Admin tool ? Operational
Test admin tool ? Operational
External dependencies Operational
Handle servers ? Operational
Similarity Check via iThenticate from Turnitin - status found at https://turnitin.statuspage.io/ ? Operational
AWS cloudfront Operational
Meta Operational
deliberately-unreliable server ? Operational
Demo Auth ? Operational
Beta Operational
Metadata Manager ? Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
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
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Past Incidents
Feb 25, 2024

No incidents reported today.

Feb 24, 2024

No incidents reported.

Feb 23, 2024

No incidents reported.

Feb 22, 2024

No incidents reported.

Feb 21, 2024

No incidents reported.

Feb 20, 2024
Completed - The scheduled maintenance has been completed.
Feb 20, 15:47 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 20, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release v0.190.0 - on Tuesday, 20 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, 15:22 UTC
Feb 19, 2024

No incidents reported.

Feb 18, 2024

No incidents reported.

Feb 17, 2024

No incidents reported.

Feb 16, 2024

No incidents reported.

Feb 15, 2024

No incidents reported.

Feb 14, 2024

No incidents reported.

Feb 13, 2024
Completed - The scheduled maintenance has been completed.
Feb 13, 17:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 13, 15:01 UTC
Scheduled - We will be undergoing scheduled maintenance - release v0.189.0 - on Tuesday, 13 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 12, 20:51 UTC
Feb 12, 2024

No incidents reported.

Feb 11, 2024

No incidents reported.