Crossref Status

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

Content negotiation Operational

Metadata Plus Operational

Plus REST API Operational

Plus OAI-PMH Operational

XML Snapshots Operational

JSON Snapshots 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

Fetching

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

Fetching

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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Crossref Metadata Search

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Past Incidents

Sep 18, 2021

No incidents reported today.

Sep 17, 2021

No incidents reported.

Sep 16, 2021

No incidents reported.

Sep 15, 2021

No incidents reported.

Sep 14, 2021

Degraded performance from Participation Reports (https://www.crossref.org/members/prep), Crossref Metadata Search (search.crossref.org), and the Polite pool of the REST API

Resolved - This incident has been resolved.
Sep 14, 18:01 UTC

Update - We are expanding this incident to include the Polite pool of the REST API, which is also degraded at the moment. We continue to investigate.
Sep 14, 14:35 UTC

Investigating - We are currently investigating this issue.
Sep 14, 13:39 UTC

Sep 13, 2021

No incidents reported.

Sep 12, 2021

No incidents reported.

Sep 11, 2021

No incidents reported.

Sep 10, 2021

No incidents reported.

Sep 9, 2021

No incidents reported.

Sep 8, 2021

Degraded performance: Content Negotiation, OAI-PMH, Crossref Metadata Search, Crossmark

Resolved - This incident has been resolved.
Sep 8, 15:41 UTC

Update - We've put a temporary fix in place now, so the metadata services performance has improved. We will continue working on a permanent resolution to this issue.
Sep 3, 20:53 UTC

Identified - A hardware failure in our datacenter is causing ongoing degraded performance to several services.
Sep 3, 20:18 UTC

8 September - weekly maintenance, release v0.97.0

Completed - The scheduled maintenance has been completed.
Sep 8, 14:31 UTC

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 8, 14:00 UTC

Scheduled - We will be undergoing scheduled maintenance - release v0.97.0 - on Wednesday, 8 September from 1400 to 1600 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.
Sep 7, 14:34 UTC

Sep 7, 2021

No incidents reported.

Sep 6, 2021

No incidents reported.

Sep 5, 2021

No incidents reported.

Sep 4, 2021

No incidents reported.