Investigating - We’re still experiencing problems with load on the Event Data service. Users may see their queries time out when using the API. We’re investigating and will confirm when the issue is resolved.
Jul 4, 13:15 UTC
Identified - Email confirmations from our test deposit system (test.crossref.org) are not currently being delivered. We're working on a fix.
May 24, 18:42 UTC
APIs Degraded Performance
90 days ago
99.53 % uptime
Today
Public REST API ? Operational
90 days ago
100.0 % uptime
Today
Polite REST API ? Operational
90 days ago
100.0 % uptime
Today
OAI-PMH ? Operational
90 days ago
100.0 % uptime
Today
OpenURL ? Operational
90 days ago
100.0 % uptime
Today
Crossmark dialog server ? Operational
90 days ago
100.0 % uptime
Today
Content negotiation ? Operational
90 days ago
100.0 % uptime
Today
XML API ? Operational
90 days ago
100.0 % uptime
Today
Event Data Query API ? Degraded Performance
90 days ago
96.24 % uptime
Today
Metadata Plus Operational
90 days ago
99.99 % uptime
Today
Plus REST API ? Operational
90 days ago
99.99 % uptime
Today
Plus OAI-PMH ? Operational
90 days ago
100.0 % uptime
Today
XML Snapshots ? Operational
90 days ago
100.0 % uptime
Today
JSON Snapshots ? Operational
90 days ago
100.0 % uptime
Today
Sites Operational
90 days ago
99.99 % uptime
Today
Crossref website ? Operational
90 days ago
100.0 % uptime
Today
Crossref support ? Operational
90 days ago
100.0 % uptime
Today
Metadata search ? Operational
90 days ago
99.99 % uptime
Today
Content Registration Operational
90 days ago
100.0 % uptime
Today
Deposit system ? Operational
90 days ago
100.0 % uptime
Today
Test deposit system ? Operational
90 days ago
100.0 % uptime
Today
External dependencies Operational
90 days ago
100.0 % uptime
Today
AWS cloudFront ? Operational
90 days ago
100.0 % uptime
Today
Handle servers ? Operational
90 days ago
100.0 % uptime
Today
Similarity Check via iThenticate (Turnitin) status found at turnitin.status.io ? Operational
Meta Operational
90 days ago
100.0 % uptime
Today
deliberately-unreliable server ? Operational
90 days ago
100.0 % uptime
Today
Beta Operational
90 days ago
100.0 % uptime
Today
Participation Reports ? Operational
90 days ago
100.0 % uptime
Today
Metadata Manager ? Operational
90 days ago
100.0 % uptime
Today
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
had a major outage
had a partial outage
Public REST API Response Time
Fetching
Public REST API Uptime
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Polite REST API Response Time
Fetching
Polite REST API Uptime
Fetching
Plus REST API Response Time
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Plus REST API Uptime
Fetching
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
Fetching
Crossmark Response Time
Fetching
Crossmark Uptime
Fetching
Event Data Query API Response Time
Fetching
Event Data Query API Uptime
Fetching
Past Incidents
Jul 19, 2019

No incidents reported today.

Jul 18, 2019

No incidents reported.

Jul 17, 2019

No incidents reported.

Jul 16, 2019

No incidents reported.

Jul 15, 2019
Completed - The scheduled maintenance has been completed.
Jul 15, 18:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 15, 17:00 UTC
Update - We will be undergoing scheduled maintenance during this time.
Jul 12, 18:30 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 has been completed.
Jul 12, 18:30 UTC
Jul 14, 2019

No incidents reported.

Jul 13, 2019
Resolved - This month's JSON snapshot completed successfully earlier today. Both the XML and JSON snapshots are now available to our Metadata Plus members. This incident has been resolved.
Jul 13, 23:31 UTC
Update - The JSON snapshot build continues to run with no issues. We hope to have the JSON snapshot available for our Metadata Plus members early next week.
Jul 12, 20:02 UTC
Update - This month's XML snapshots are now available. Our work on the JSON snapshots continues. We'll provide updates on the current JSON snapshot rebuild as we have them.
Jul 10, 17:58 UTC
Update - We had a second server error today that prevented the JSON snapshot from being completely built. We have started the JSON snapshot build again on a different server and anticipate its arrival will be delayed until the second half of this week. We are working on posting the XML snapshot in the meantime.
Jul 10, 16:14 UTC
Update - The JSON snapshot build is still running and taking longer than anticipated to complete. We hope to have this month's snapshots available very soon. We'll continue to provide updates.
Jul 9, 20:44 UTC
Monitoring - We had a server error over the weekend that prevented the snapshots from being completely built. We're working on rebuilding both the XML and JSON snapshots at the moment. We'll update you just as soon as they are available.
Jul 8, 15:39 UTC
Jul 12, 2019
Resolved - Our content negotiation service experienced degraded performance from 00:01 until 11:56 UTC. The performance issues were related to to a surge in usage and related rate limiting.
Jul 12, 14:07 UTC
Jul 11, 2019

No incidents reported.

Jul 9, 2019
Completed - The scheduled maintenance has been completed.
Jul 9, 14:22 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 9, 14:01 UTC
Scheduled - We'll be doing 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 has been completed.
Jul 5, 11:38 UTC
Jul 7, 2019

No incidents reported.

Jul 6, 2019

No incidents reported.

Jul 5, 2019

No incidents reported.