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Outage in Crossref

Degraded performance in the REST API public and polite pools

Resolved Minor
July 07, 2026 - Started 27 days ago - Lasted about 23 hours
Official incident page

Incident Report

The REST API public and polite pools are experiencing issues with requests that return lists of results, including filters and queries. Requests are intermittently not returning all matching metadata records. We are investigating the cause.
Components affected
Crossref Public REST API Crossref Plus REST API Crossref Polite REST API Crossref Metadata search

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Latest Updates ( sorted recent to last )
RESOLVED 26 days ago - at 07/08/2026 12:26PM

This incident has been resolved.

MONITORING 26 days ago - at 07/08/2026 08:59AM

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

INVESTIGATING 27 days ago - at 07/07/2026 08:01PM

We are continuing to investigate this issue.

INVESTIGATING 27 days ago - at 07/07/2026 03:11PM

We are continuing to investigate this issue.

INVESTIGATING 27 days ago - at 07/07/2026 01:18PM

The REST API public and polite pools are experiencing issues with requests that return lists of results, including filters and queries. Requests are intermittently not returning all matching metadata records. We are investigating the cause.

Latest Crossref outages

Login issues affecting Crossref services - 20 days ago
Degraded performance in the REST API public and polite pools - 27 days ago
Cursor requests not returning all results in the REST API - about 1 month ago
Degraded performance on Public and Polite REST API - about 1 month ago
Investigating an outage - about 2 months ago

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