Hardware testing is complete. There were 3 brief outages during the testing where Crossref services were not available.
Posted Oct 21, 2021 - 20:58 UTC
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Oct 21, 2021 - 19:00 UTC
We will be performing hardware testing at our data center on Thursday, 21 October from 1900 to 2100 UTC. While we're hopeful there will be no downtime, users may experience intermittent outages during this window of time.
Posted Oct 19, 2021 - 15:14 UTC
This scheduled maintenance affected: APIs (Public REST API, Polite REST API, OAI-PMH, XML API, Event Data Query API, OpenURL, Crossmark dialog server, Content negotiation), Metadata Plus (Plus REST API, Plus OAI-PMH, XML Snapshots, JSON Snapshots), Sites (Crossref website, Metadata search, Participation reports), Content Registration (Admin tool, Test admin tool), and Beta (Metadata Manager).