Crossref incident

Degraded service on REST API

Crossref is currently experiencing a minor incident affecting Public REST API and Plus REST API and 1 more component, which began 1d ago. The vendor's full update timeline is below.

Started
May 29, 2026, 12:12 PM UTC
Resolved
Ongoing
Duration
● 1d 8h
Detected by Pingoru
May 29, 2026, 12:12 PM UTC

Affected components

Public REST APIPlus REST APIPolite REST API

Update timeline

  1. investigating May 29, 2026, 12:12 PM UTC

    We are experiencing delays in updating some metadata fields on the REST API. This includes citation counts, Retraction Watch retractions, aliased DOIs, and metadata in the member, journal, and funder routes. We are currently investigating the cause.

  2. monitoring May 29, 2026, 02:33 PM UTC

    A fix has been implemented and we are monitoring the results.