Crossref logo and current status indicator

Crossref Status

Monitoring 7 components in real-time

Is Crossref Having an Outage?

Crossref is a digital object identifier (DOI) registration agency that provides persistent identifiers and metadata for scholarly publications, enabling discoverability and citation tracking across academic and research communities.

Crossref is currently operational with all systems functioning normally.

Last checked Jul 22, 2026 7:43 PM UTC from Crossref's official status page

Service Health — Last 15 days

Availability
99.97%
Averaged across 38 components
Last Incident
Major Outage
Jul 20, 2026 5:57 AM UTC
Incidents
6
5 major, 1 partial
Avg Resolution
39 minutes
per incident

Availability is averaged equally across all monitored components. Each component is tracked independently to give you a clear picture of overall service reliability.

All systems operational

7 components monitored, none affected

Recent Crossref Outages & Status Updates

Latest status changes and service events for Crossref

Scheduled maintenance on Content Registration

Started: Jul 21, 2026 2:26 PM UTC · Resolved: Jul 21, 2026 4:30 PM UTC (lasted for 2 hours)
Maintenance
This was resolved

Metadata Plus experienced a major outage

Started: Jul 20, 2026 5:57 AM UTC · Resolved: Jul 20, 2026 6:29 AM UTC (lasted for 32 minutes)
Major Outage
This was resolved

Scheduled maintenance on Content Registration

Started: Jul 16, 2026 2:28 PM UTC · Resolved: Jul 16, 2026 4:02 PM UTC (lasted for 2 hours)
Maintenance
This was resolved

Sites experienced a major outage

Started: Jul 15, 2026 4:54 PM UTC · Resolved: Jul 15, 2026 5:25 PM UTC (lasted for 31 minutes)
Major Outage
This was resolved

Sites experienced a major outage

Started: Jul 15, 2026 12:42 PM UTC · Resolved: Jul 15, 2026 1:13 PM UTC (lasted for 31 minutes)
Major Outage
This was resolved

Scheduled maintenance on Content Registration

Started: Jul 14, 2026 2:11 PM UTC · Resolved: Jul 14, 2026 4:16 PM UTC (lasted for 2 hours)
Maintenance
This was resolved

Content Registration experienced a partial outage

Started: Jul 14, 2026 8:52 AM UTC · Resolved: Jul 14, 2026 9:23 AM UTC (lasted for 31 minutes)
Partial Outage
This was resolved

Metadata Plus experienced a major outage

Started: Jul 13, 2026 1:55 PM UTC · Resolved: Jul 13, 2026 2:37 PM UTC (lasted for 42 minutes)
Major Outage
This was resolved

Embed Crossref Status Badge

Add a live status badge to your README, docs, or dashboard. Updates automatically every 5 minutes.

Crossref status badge preview
Markdown (GitHub README)
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HTML
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Image URL
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Frequently Asked Questions About Crossref Status

Common questions about monitoring Crossref and understanding service status