Crossref Status
Real-time updates of Crossref issues and outages
Crossref status is Operational
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Plus REST API
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Test admin tool
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Last updated 1 minute ago from official status page. Learn more
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Active Incidents
No active incidents
Recently Resolved Incidents
Metadata Plus REST API not validating API keys
Started 5 Oct 2026 12:21:43 (5 days ago), resolved 5 Oct 2026 16:25:37 (5 days ago)
Critical Incident
Resolved
Plus REST API
Request to the Metadata Plus pool of the REST API are receiving 401 responses (access denied). We are investigating the cause.
test.crossref.org is currently being monitored
Started 4 Oct 2026 11:30:22 (6 days ago), resolved 5 Oct 2026 12:49:29 (5 days ago)
Critical Incident
Resolved
Test admin tool
The test admin system has been down since about 09:30 UTC, so members will see a 503 Service Unavailable message when visiting test.crossref.org. We're investigating. -GH
Crossref Outage Survival Guide
A step-by-step guide to help you survive a Crossref outage
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Crossref Components
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Crossref APIs
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Public REST API
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Polite REST API
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OAI-PMH
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XML API
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OpenURL
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Event Data Query API
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Crossmark dialog server
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Public content negotiation
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Polite content negotiation
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Crossref Metadata Plus
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Plus REST API
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Metadata Plus REST API not validating API keys
Started 5 Oct 2026 12:21:43 (5 days ago), resolved 5 Oct 2026 16:25:37 (5 days ago)
Critical Incident
Resolved
Plus REST API
Request to the Metadata Plus pool of the REST API are receiving 401 responses (access denied). We are investigating the cause.
Plus OAI-PMH
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XML Snapshots
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JSON Snapshots
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Plus content negotiation
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Key Manager
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Crossref Content Registration
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Admin tool
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Test admin tool
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test.crossref.org is currently being monitored
Started 4 Oct 2026 11:30:22 (6 days ago), resolved 5 Oct 2026 12:49:29 (5 days ago)
Critical Incident
Resolved
Test admin tool
The test admin system has been down since about 09:30 UTC, so members will see a 503 Service Unavailable message when visiting test.crossref.org. We're investigating. -GH
Web deposit form
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New Metadata Manager
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Crossref Metadata files
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Open Funder Registry
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Retraction Watch
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Annual public data files
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Crossref Sites
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Crossref website
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Crossref support
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Metadata search
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Participation reports
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Crossref Integrations and external dependencies
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Handle servers
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Monitoring of iThenticate can be seen at https://turnitin.statuspage.io.
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AWS cloudfront
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ORCID Auto-update
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Crossref Meta
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deliberately-unreliable server
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Demo Auth
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Crossref Beta
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Metadata Manager
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