All Systems Operational
APIs Operational
Public REST API   ? Operational
Polite REST API   ? Operational
Plus REST API   ? Operational
OAI-PMH   ? Operational
Plus OAI-PMH   ? Operational
OpenURL   ? Operational
Crossmark dialog server   ? Operational
Content negotiation   ? Operational
XML API   ? Operational
Sites Operational
Crossref website   ? Operational
Crossref support   ? Operational
Metadata search   ? Operational
Content Registration Operational
Deposit system   ? Operational
Test deposit system   ? Operational
External dependencies Operational
AWS cloudFront   ? Operational
Handle servers   ? Operational
Meta Operational
deliberately-unreliable server   ? Operational
Beta Operational
Participation Reports   ? Operational
Event Data Query API   ? 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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Content Negotiation Response Time
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Content Negotiation Uptime
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Event Data Query API Response Time
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Event Data Query API Uptime
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Past Incidents
Jul 22, 2018

No incidents reported today.

Jul 21, 2018

No incidents reported.

Jul 20, 2018
Resolved - The test deposit system - test.crossref.org - is now operational and processing your deposits. For members who have used the test deposit system this week, please consider re-depositing your submissions. We found that we sporadically lost submissions made in the last week due to a misconfiguration of the submission ID numbering.
Jul 20, 21:19 UTC
Identified - The configuration of our submission ID numbering in the test deposit system is causing failures in deposit processing. We are working on a fix.
Jul 20, 21:06 UTC
Investigating - We are currently performing maintenance on the test deposit system - test.crossref.org. This unplanned maintenance will require us to restart the test deposit queue. Submissions made during this time may be lost.
Jul 20, 19:53 UTC
Jul 19, 2018

No incidents reported.

Jul 18, 2018

No incidents reported.

Jul 17, 2018
Resolved - Our deposit system - doi.crossref.org - did not process any submissions from 23:00 UTC, 17 July until 11:00 UTC, 18 July. During this time deposits were accepted, but not processed.

We failed to enable processing of the deposit queue after our weekly maintenance release. But, we are processing all of your deposits now. There’s no need to resubmit any submissions made during those 12 hours.
Jul 17, 18:00 UTC
Jul 16, 2018

No incidents reported.

Jul 15, 2018

No incidents reported.

Jul 14, 2018

No incidents reported.

Jul 13, 2018

No incidents reported.

Jul 12, 2018
Resolved - This incident has been resolved.

The processing of deposits in our test deposit system - test.crossref.org - was severely delayed due to 1) a large volume of erroneous and subsequently failed submissions, and 2) how our system was configured to attempt to process these types of erroneous failures. We have since cleared these erroneous test deposits from the system and are researching configuration changes to prevent future delays of this sort.
Jul 12, 20:11 UTC
Monitoring - Our test deposit system - test.crossref.org - has been fixed and it is processing your deposits again.
Jul 12, 19:04 UTC
Investigating - Processing of deposits within our test deposit system - http://test.crossref.org - is currently stalled. We're investigating. We'll keep you updated as we learn more.
Jul 12, 18:47 UTC
Jul 11, 2018

No incidents reported.

Jul 10, 2018

No incidents reported.

Jul 9, 2018

No incidents reported.

Jul 8, 2018

No incidents reported.