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
Fetching
Public REST API Uptime
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Polite REST API Response Time
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Polite REST API Uptime
Fetching
Plus REST API Response Time
Fetching
Plus REST API Uptime
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Plus OAI-PMH Response Time
Fetching
Plus OAI-PMH Uptime
Fetching
OpenURL Response Time
Fetching
OpenURL Uptime
Fetching
Content Negotiation Response Time
Fetching
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
Oct 22, 2018

No incidents reported today.

Oct 21, 2018

No incidents reported.

Oct 20, 2018

No incidents reported.

Oct 19, 2018

No incidents reported.

Oct 18, 2018

No incidents reported.

Oct 17, 2018

No incidents reported.

Oct 16, 2018
Completed - The scheduled maintenance has been completed.
Oct 16, 16:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 16, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance during this time. Our members may experience delays in deposit system admin (doi.crossref.org) and Metadata Manager (crossref.org/metadatamanager) processing. Deposits submitted during this time will be stored and processed after the maintenance is completed.
Oct 15, 20:16 UTC
Oct 15, 2018

No incidents reported.

Oct 14, 2018

No incidents reported.

Oct 13, 2018

No incidents reported.

Oct 12, 2018

No incidents reported.

Oct 11, 2018
Resolved - Users may have noticed five minutes of downtime from 10:42 to 10:47 UTC today. The downtime was caused by an issue - https://status.zendesk.com/ - at Zendesk, the platform for our support site, and has since been resolved.
Oct 11, 10:42 UTC
Oct 10, 2018
Completed - The scheduled maintenance has been completed.
Oct 10, 16:00 UTC
Update - The scheduled maintenance is still in progress. We estimate that the maintenance will require an additional hour to complete today (2 hours total).
Oct 10, 14:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 10, 14:00 UTC
Scheduled - We will be undergoing scheduled maintenance during this time. Our members may experience delays in deposit system admin (doi.crossref.org) and Metadata Manager (crossref.org/metadatamanager) processing. Deposits submitted during this time will be stored and processed after the maintenance is completed.
Oct 10, 06:02 UTC
Oct 9, 2018
Completed - We are not performing the maintenance that was previously scheduled for today. All of our services are operational.
Oct 9, 15:04 UTC
Update - We will be undergoing scheduled maintenance during this time.
Oct 9, 17:00 UTC
Update - This maintenance has been rescheduled for 17:00 UTC, 9 October 2018.
Oct 3, 16:44 UTC
Update - We will be undergoing scheduled maintenance during this time.
Oct 9, 17:00 UTC
Scheduled - We will be updating our deposit system (https://doi.crossref.org) database during this planned major maintenance. Processing of submissions will be suspended for 24 hours starting at 17:00 UTC. Submissions made through the deposit system admin will be queued and processed after the maintenance is completed. Unfortunately, all submissions made using Metadata Manager (https://www.crossref.org/metadatamanager) will fail during this 24-hour period.
Oct 9, 17:00 UTC
Oct 8, 2018

No incidents reported.