We will be undergoing scheduled REST API maintenance on 7 January 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 12, 2025 - 04:22 UTC
This scheduled maintenance affects: APIs (Public REST API, Polite REST API) and Metadata Plus (Plus REST API).