Crossref incident

Crossref Metadata Search - search.crossref.org - Outage (504 gateway timeout)

Major Resolved View vendor source →

Crossref experienced a major incident on August 20, 2026 affecting Metadata search, lasting 23h 16m. The incident has been resolved; the full update timeline is below.

Started
Aug 20, 2026, 02:13 PM UTC
Resolved
Aug 21, 2026, 01:30 PM UTC
Duration
23h 16m
Detected by Pingoru
Aug 20, 2026, 02:13 PM UTC

Affected components

Metadata search

Update timeline

  1. investigating Aug 20, 2026, 02:13 PM UTC

    Crossref Metadata Search has been down and returning a 504 error since approximately 13:00 UTC. We are investigating.

  2. investigating Aug 20, 2026, 02:15 PM UTC

    We are continuing to investigate this issue.

  3. monitoring Aug 20, 2026, 04:34 PM UTC

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

  4. resolved Aug 21, 2026, 01:30 PM UTC

    This incident has been resolved.