checked Nov 2, 2026 8:34 AM UTC · Crossref's official status page
Is Crossref Working Right Now?
Yes. Crossref is up and running.
Crossref is currently operational with all systems functioning normally.
All components operational
- Last broke
- Nov 2
- Uptime
- 99.90%
- Most impacted
- Sites
History · 30 day period
Service health
Service health, last 30 days
How to read this
The record
30 day period · not affected by the range aboveAvailability counts operational or degraded time as available, averaged equally across all monitored components. Partial outages count as half downtime and major outages count in full, scheduled maintenance is excluded from the calculation, and periods with no recorded status are counted as available rather than assumed down. Each component is tracked independently to give you a clear picture of overall service reliability.
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Recent Crossref outages & status updates
Status changes and service events for Crossref over the last 30 days
| S | M | T | W | T | F | S | |
|---|---|---|---|---|---|---|---|
| Sep 27 | |||||||
| Oct 4 | 1 | ||||||
| Oct 11 | 1 | 1 | |||||
| Oct 18 | 1 | ||||||
| Oct 25 | 1 | 1 | 1 | ||||
| Nov 1 | 1 |
Sites experienced a major outage
Nov 2 · resolved after 1h 1m
Sites experienced a major outage
Oct 30 · resolved after 1h 1m
Sites experienced a major outage
Oct 28 · resolved after 2h 29m
Scheduled maintenance on Content Registration
Oct 27 · resolved after 2h 3m
Sites experienced a major outage
Oct 26 · resolved after 1h 1m
Sites experienced a major outage
Oct 24 · resolved after 1h 1m
New funder matches not available via the Metadata Plus REST API pool
Oct 21 · reported by Crossref · resolved
Scheduled maintenance on Content Registration
Oct 20 · resolved after 2h 2m
Crossref component status
Check current status by component. Open one for regions, incident details, and alerts.
7 components tracked
Incidents · 30dStatus- Crossref APIs statusno incidentsOperational
- Crossref Content Registration status1 incidentOperational
- Crossref Integrations and external dependencies statusno incidentsOperational
- Crossref Meta statusno incidentsOperational
- Crossref Metadata files statusno incidentsOperational
- Crossref Metadata Plus status1 incidentOperational
- Crossref Sites status7 incidentsOperational
What is Crossref?
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.
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Common questions about monitoring Crossref and understanding service status
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