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
System Metrics Month Week Day
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
Nov 28, 2023
28 November - weekly maintenance, release v0.181.0
Completed - The scheduled maintenance has been completed.
Nov 28, 16:10 UTC
Verifying - Verification is currently underway for the maintenance items.
Nov 28, 15:55 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 28, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release v0.181.0 - on Tuesday, 28 November 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.
Nov 27, 18:19 UTC
Nov 27, 2023

No incidents reported.

Nov 26, 2023

No incidents reported.

Nov 25, 2023

No incidents reported.

Nov 24, 2023

No incidents reported.

Nov 23, 2023

No incidents reported.

Nov 22, 2023

No incidents reported.

Nov 21, 2023
Main website is down
Resolved - Our team has confirmed that this issue was caused by a problem with our load balancer. We’ll be looking further into how this happened.
Nov 21, 10:02 UTC
Monitoring - Our main website is now back up and we are investigating to see what caused the problem.
Nov 21, 09:05 UTC
Investigating - Our main website has been down since last night (20th Nov) and we are investigating urgently.
-GH
Nov 21, 08:11 UTC
Nov 20, 2023

No incidents reported.

Nov 19, 2023

No incidents reported.

Nov 18, 2023

No incidents reported.

Nov 17, 2023

No incidents reported.

Nov 16, 2023

No incidents reported.

Nov 15, 2023

No incidents reported.

Nov 14, 2023
Degraded performance from Metadata search - search.crossref.org
Resolved - This incident has been resolved.
Nov 14, 18:47 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Nov 14, 17:51 UTC
Investigating - We are currently investigating this issue.
Nov 14, 14:10 UTC
14 November - weekly maintenance, release v0.180.0
Completed - The scheduled maintenance has been completed.
Nov 14, 16:08 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 14, 15:01 UTC
Scheduled - We will be undergoing scheduled maintenance - release v0.180.0 - on Tuesday, 14 November 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.
Nov 13, 16:52 UTC
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