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
Public REST API Response Time
Fetching
Public REST API Uptime
Fetching
Polite REST API Response Time
Fetching
Polite REST API Uptime
Fetching
Plus REST API Response Time
Fetching
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
Crossref Metadata Search
Fetching
Past Incidents
Dec 2, 2021

No incidents reported today.

Dec 1, 2021
Completed - The scheduled maintenance has been completed.
Dec 1, 18:00 UTC
Verifying - Verification is currently underway for the maintenance items.
Dec 1, 17:42 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Dec 1, 17:00 UTC
Scheduled - On 2021 October 13 (https://status.crossref.org/incidents/mq4xbgt32d80), we made backend changes to our content negotiation (https://www.crossref.org/documentation/retrieve-metadata/content-negotiation/) service to route all valid requests to our REST API. On Wednesday, 2021 December 1, we will be shutting down the decommissioned content negotiation service. Requests made according to the specification (https://citation.crosscite.org/docs.html) should be unaffected.
Nov 10, 18:45 UTC
Nov 30, 2021
Completed - The scheduled maintenance has been completed.
Nov 30, 17:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 30, 15:00 UTC
Scheduled - We will be undergoing scheduled maintenance - release v0.105.0 - on Tuesday, 30 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 30, 03:55 UTC
Nov 29, 2021
Completed - The scheduled maintenance has been completed.
Nov 29, 17:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 29, 16:01 UTC
Scheduled - We will be undergoing scheduled maintenance at our data center today, Monday, November 29, from 1700 to 1800 UTC. We do not anticipate disruptions to our services during this time.
Nov 29, 14:58 UTC
Nov 28, 2021

No incidents reported.

Nov 27, 2021

No incidents reported.

Nov 26, 2021

No incidents reported.

Nov 25, 2021

No incidents reported.

Nov 24, 2021

No incidents reported.

Nov 23, 2021
Completed - The scheduled maintenance has been completed.
Nov 23, 17:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 23, 15:01 UTC
Scheduled - We will be undergoing scheduled maintenance - release v0.104.0 - on Tuesday, 23 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 22, 16:17 UTC
Nov 22, 2021

No incidents reported.

Nov 21, 2021

No incidents reported.

Nov 20, 2021

No incidents reported.

Nov 19, 2021

No incidents reported.

Nov 18, 2021

No incidents reported.