Is Crossref down right now?
No — Crossref is up. All systems operational as of Oct 18, 1:13 AM UTC.
Current Status
All Systems Operational
Components
Recent Incidents
Content Registration Outage and Instability
noneOct 16, 2026
The metadata deposit and query processing queue was down for roughly 30 minutes starting around 20:40 UTC. It was brought back online around 21:10 UTC. We are monitoring for any possible ongoing instability.
Metadata Plus REST API not validating API keys
criticalOct 5, 2026 · resolved Oct 5
We have identified the problem due to a bug in a deployment. The deployment was reversed and the Plus pool of the API is working normally again.
test.crossref.org is currently being monitored
criticalOct 4, 2026 · resolved Oct 5
This incident has been resolved.
Test admin tool - test.crossref.org - is down
criticalSep 27, 2026 · resolved Sep 27
This incident has been resolved.
www.crossref.org was down for 70 mins on Sunday, 13 September; we're monitoring for the coming weeks
noneSep 14, 2026 · resolved Sep 24
This incident has been resolved.
Get alerted when Crossref goes down
Alert24 monitors Crossref and 3,700+ other cloud and SaaS providers. When an outage is detected, it updates your status page automatically and pages your on-call team. No manual updates at 2 AM.
Crossref status — frequently asked questions
Is Crossref down right now?
No — Crossref is up. All systems operational as of Oct 18, 1:13 AM UTC.
What is Crossref's current status?
Crossref: All Systems Operational. Alert24 checks Crossref's status page continuously and can notify you the moment it changes.
How do I get alerted when Crossref goes down?
Alert24 monitors Crossref and 3,700+ other cloud and SaaS providers. When an outage is detected it updates your status page automatically and pages your on-call team — no manual checks. Start free at alert24.net.