Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Jul 08, 2026 - 08:00 UTC
Scheduled
We will be undergoing unplanned maintenance tomorrow from 0800 to 1200 UTC on our REST API - api.crossref.org. Users may experience outages during that four-hour window of time. -IF
Posted Jul 07, 2026 - 20:00 UTC
This scheduled maintenance affected: APIs (Public REST API, Polite REST API), Metadata Plus (Plus REST API), and Sites (Participation reports).