Investigating - We are currently investigating this issue.
Sep 8, 14:12 UTC
Identified - We discovered yesterday that some ~6,000 DOIs in the current Metadata Plus JSON snapshots (and within the REST API) are missing the memberID element. We're currently investigating a fix.
Jul 28, 14:24 UTC
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
APIs Degraded Performance
Public REST API ? Operational
Polite REST API ? Operational
OAI-PMH ? Operational
XML API ? Operational
Event Data Query API ? Degraded Performance
OpenURL ? Operational
Crossmark dialog server ? Operational
Content negotiation ? Operational
Metadata Plus Degraded Performance
Plus REST API ? Operational
Plus OAI-PMH ? Operational
XML Snapshots ? Operational
JSON Snapshots ? Degraded Performance
Sites Degraded Performance
Crossref website ? Operational
Crossref support ? Operational
Metadata search ? Degraded Performance
Participation Reports ? Operational
Content Registration Operational
Admin tool ? Operational
Test admin tool ? Operational
External dependencies Operational
Handle servers ? Operational
Similarity Check via iThenticate (Turnitin) status found at turnitin.status.io ? Operational
AWS cloudfront Operational
Meta Operational
deliberately-unreliable server ? Operational
Beta Operational
Metadata Manager ? Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Scheduled Maintenance
We will be undergoing scheduled maintenance - release v0.43.0 - 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.
Posted on Sep 21, 15:33 UTC
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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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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Past Incidents
Sep 21, 2020

No incidents reported today.

Sep 20, 2020

No incidents reported.

Sep 19, 2020

No incidents reported.

Sep 18, 2020

No incidents reported.

Sep 17, 2020

No incidents reported.

Sep 16, 2020

No incidents reported.

Sep 15, 2020
Completed - The scheduled maintenance has been completed.
Sep 15, 16:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 15, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release v0.42.0 - 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.
Sep 14, 15:30 UTC
Sep 14, 2020

No incidents reported.

Sep 13, 2020

No incidents reported.

Sep 12, 2020

No incidents reported.

Sep 11, 2020

No incidents reported.

Sep 10, 2020

No incidents reported.

Sep 9, 2020

No incidents reported.

Sep 8, 2020

Unresolved incident: Crossref Metadata Search: intermittent service interruptions today.

Sep 7, 2020

No incidents reported.