OutageDB

Crossref outage history and status

Is Crossref down right now?

No
All Systems Operational Official status as of Oct 26, 2026, 16:17 UTC (refreshing…)
Open incidents
97.27%
uptime, 90 days
12
incidents, 90 days
6 h 21 min
median time to fix
Oct 21, 2026
last incident

Crossref components

Sites

Metadata files

Metadata Plus

APIs

Meta

Content Registration

Integrations and external dependencies

Crossref outage history

Nov: 1 incidents, 430 min of major outage 1 Nov Dec: 5 incidents, 44 min of major outage 5 Dec Jan: 0 incidents, 0 min of major outage Jan Feb: 1 incidents, 0 min of major outage 1 Feb Mar: 3 incidents, 0 min of major outage 3 Mar Apr: 3 incidents, 231 min of major outage 3 Apr May: 6 incidents, 128 min of major outage 6 May Jun: 3 incidents, 224 min of major outage 3 Jun Jul: 4 incidents, 40 min of major outage 4 Jul Aug: 2 incidents, 1445 min of major outage 2 Aug Sep: 6 incidents, 404 min of major outage 6 Sep Oct: 4 incidents, 1684 min of major outage 4 Oct
Crossref incidents per month, last 12 months. Red: months with a major or critical outage. Shaded: before our complete history.
Started (UTC)IncidentImpactDuration
Oct 21, 2026, 12:01 UTC New funder matches not available via the Metadata Plus REST API pool
Plus REST API, JSON Snapshots
 No impact ongoing
Oct 16, 2026, 21:35 UTC Content Registration Outage and Instability
Admin tool, Web deposit form, New Metadata Manager
 No impact 2 days 22 h
Oct 5, 2026, 12:21 UTC Metadata Plus REST API not validating API keys
Plus REST API
 Critical 4 h 04 min
Oct 4, 2026, 11:30 UTC test.crossref.org is currently being monitored
Test admin tool
 Critical 25 h 19 min
Sep 27, 2026, 01:22 UTC Test admin tool - test.crossref.org - is down
Test admin tool
 Critical 23 min
Sep 21, 2026, 02:57 UTC Errors logging in to the test admin tool - test.crossref.org
Test admin tool
 Major 6 h 21 min
Sep 14, 2026, 23:19 UTC www.crossref.org was down for 70 mins on Sunday, 13 September; we're monitoring for the coming weeks
Crossref website
 No impact 9 days 14 h
Sep 13, 2026, 14:39 UTC www.crossref.org was down for 70 mins
Crossref website
 No impact 22 h 07 min
Sep 9, 2026, 16:25 UTC Content registration processing delays today
Admin tool, Web deposit form
 Minor 4 h 13 min
Sep 7, 2026, 20:00 UTC Several members reporting errors when attempting to log in to register records (Admin tool, Metadata Manager, web deposit form, OJS) No impact <1 min
Aug 20, 2026, 14:13 UTC Crossref Metadata Search - search.crossref.org - Outage (504 gateway timeout)
Metadata search
 Major 23 h 17 min
Aug 9, 2026, 21:46 UTC Admin tool - doi.crossref.org - returning a 503 status code
Admin tool, Web deposit form, New Metadata Manager
 Critical 48 min
Jul 14, 2026, 08:36 UTC Login issues affecting Crossref services
Admin tool, Web deposit form, New Metadata Manager
 Major 40 min
Jul 13, 2026, 10:32 UTC Main website down between 07:40 UTC and 08:13 UTC
Crossref website
 No impact <1 min
Jul 7, 2026, 13:18 UTC Degraded performance in the REST API public and polite pools
Public REST API, Plus REST API, Polite REST API, Metadata search
 Minor 23 h 08 min
Jul 2, 2026, 13:00 UTC Cursor requests not returning all results in the REST API
Public REST API, Plus REST API, Polite REST API, Metadata search
 Minor 3 days 21 h
Jun 22, 2026, 10:20 UTC Degraded performance on Public and Polite REST API
Public REST API, Polite REST API, Metadata search, Crossmark dialog server, Public content negotiation, Polite content negotiation
 Minor 47 h 23 min
Jun 16, 2026, 08:15 UTC Investigating an outage
Participation reports, Web deposit form
 Major 3 h 44 min
Jun 10, 2026, 18:25 UTC DOI Error Reports (Non-registered DOIs reported by end users for prefix…) were not sent between May 11th and June 10th 2026 No impact —
May 29, 2026, 12:12 UTC Degraded service on REST API
Public REST API, Plus REST API, Polite REST API
 Minor 7 days 5 h
May 14, 2026, 16:10 UTC Test admin tool - test.crossref.org - returning 503 status code errors after today's deployment
Test admin tool
 Critical 2 h 08 min
May 8, 2026, 16:59 UTC Bug identified, possibly resulting in failed submissions. Emergency maintenance scheduled.
Admin tool, Test admin tool, Web deposit form, New Metadata Manager
 Minor 2 h 38 min
May 4, 2026, 13:45 UTC April 2026 JSON Snapshot is missing data for records created or updated on 4/29 and 4/30
JSON Snapshots
 Minor 2 days 22 h
May 3, 2026, 23:34 UTC Submission processing delayed on Sunday, 3 May No impact —
May 2, 2026, 16:37 UTC REST API Indexing Stalled since April 29th. Impacts on downstream services.
Public REST API, Plus REST API, Polite REST API
 Minor 2 days 20 h

50 incidents in our archive since July 11, 2025.

When and where Crossref fails

By weekday

Most incidents start on Tue.

  • Mon11
  • Tue14
  • Wed4
  • Thu6
  • Fri8
  • Sat2
  • Sun5

Most affected, last 12 months

  • Admin tool6
  • Plus REST API6
  • Test admin tool6
  • Web deposit form6
  • New Metadata Manager5
  • Polite REST API5
  • Public REST API5
  • Crossref website4

When Crossref went down with others

Scheduled maintenance

Add Crossref maintenance to your calendar (.ics)

Other databases & data services

FAQ

Is Crossref down right now?
At our last check Crossref's official status page reported: All Systems Operational. This page refreshes the status every few minutes.
How often does Crossref go down?
Crossref reported 12 incidents in the last 90 days (6 major or critical), with 3,533 minutes of major outage: 97.27% uptime.
When was the last Crossref outage?
The latest reported incident started on Oct 21, 2026, 12:01 UTC: "New funder matches not available via the Metadata Plus REST API pool", and is not resolved yet.
How long do Crossref outages last?
Half of Crossref's incidents in the last 90 days were resolved within 6 h 21 min.

Source: Crossref official status page · RSS of Crossref incidents · status badge for your site