All Systems Operational
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
Sites Operational
Crossref website ? Operational
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
Mar 31, 2023

No incidents reported today.

Mar 30, 2023
Completed - The scheduled maintenance has been completed.
Mar 30, 15:28 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 30, 14:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release v0.153.0 - on Thursday, 30 March from 1400 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.
Mar 29, 18:42 UTC
Mar 29, 2023
Resolved - Earlier today we observed intermittent “Internal Server Error” and “504 Gateway Time-out” messages from search.crossref.org. We have blocked the user who was creating the instability.
Mar 29, 13:30 UTC
Mar 28, 2023

No incidents reported.

Mar 27, 2023

No incidents reported.

Mar 26, 2023

No incidents reported.

Mar 25, 2023

No incidents reported.

Mar 24, 2023

No incidents reported.

Mar 23, 2023

No incidents reported.

Mar 22, 2023

No incidents reported.

Mar 21, 2023
Resolved - This incident has been resolved.
Mar 21, 17:35 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 21, 16:19 UTC
Identified - The issue has been identified and a fix is being implemented.
Mar 21, 16:05 UTC
Investigating - We have received reports from members and users again today that Crossref metadata search - search.crossref.org - is returning intermittent “Internal Server Error” and “504 Gateway Time-out” messages. We're investigating.
Mar 21, 13:27 UTC
Mar 20, 2023
Resolved - This incident has been resolved.
Mar 20, 19:14 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 20, 16:50 UTC
Investigating - We have received reports from members and users that Crossref metadata search - search.crossref.org - is returning intermittent “Internal Server Error” and “504 Gateway Time-out” messages. We're investigating.
Mar 20, 15:17 UTC
Mar 19, 2023

No incidents reported.

Mar 18, 2023

No incidents reported.

Mar 17, 2023

No incidents reported.