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Crossref

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Description
Crossref is a nonprofit DOI registration agency and metadata infrastructure for scholarly research. It provides persistent identifiers, metadata APIs, and discovery services for publishers, researchers, and libraries.
Recent Incidents (Last 24 Hours)
Last refresh: 2026-07-01 13:29 UTC (16m ago)

1 July - weekly maintenance [test admin tool - test.crossref.org]

Resolved

Maintenance will begin as scheduled in 60 minutes.

Incident
Location:
Started: 2026-06-30 17:58 UTC (19h ago)
Updated: 2026-07-01 13:00 UTC (44m ago)
Resolved: 2026-07-01 13:00 UTC (44m ago)
2026-06-30 17:58 UTC (19h ago) : We will be undergoing scheduled maintenance tomorrow, 1 July, from 1400 to 1600 UTC on the test admin tool - test.crossref.org. Our members may experience delays in test admin tool (test.crossref.org) processing. Test deposits submitted during this time will be stored and processed after the maintenance has been completed. -IF

30 June - weekly maintenance, release version v0.282.0

Resolved

Scheduled maintenance is still in progress. We'll need an additional hour today to complete today's release. We should have the release completed by 1700 UTC. -IF

Incident
Location:
Started: 2026-06-29 14:44 UTC (1d ago)
Updated: 2026-06-30 17:10 UTC (20h ago)
Resolved: 2026-06-30 17:10 UTC (20h ago)
2026-06-30 14:00 UTC (23h ago) : Scheduled maintenance is currently in progress. We will provide updates as necessary.
2026-06-30 13:00 UTC (1d ago) : Maintenance will begin as scheduled in 60 minutes.
2026-06-29 14:44 UTC (1d ago) : We will be undergoing scheduled maintenance - release version v0.282.0 - on 30 June from 1400 to 1600 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.