Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Dec 10, 2025 - 10:00 UTC
Scheduled
We will be undergoing scheduled REST API maintenance on 10 December from 1000 to 1200 UTC. During this time, works in the REST API will be available, but some relationships may not be available. Specifically, Retraction Watch, updates asserted by Crossref, primary and aliased DOIs, has-update and has-alias relationships and Crossmark will be affected. -IF
Posted Dec 04, 2025 - 18:15 UTC
This scheduled maintenance affected: APIs (Public REST API, Polite REST API) and Metadata Plus (Plus REST API).