Is Crossref Plus REST API down right now?

No, Crossref Plus REST API is operational. This component is functioning normally with no reported issues.

What is Crossref Plus REST API?

Crossref Plus REST API is a critical component of Crossref's infrastructure. This component plays an essential role in the overall service delivery and user experience. We monitor Crossref Plus REST API continuously to track its availability, performance, and health metrics.

How can I get alerts for Crossref Plus REST API?

You can subscribe to receive instant notifications about Crossref Plus REST API status changes, including outages, performance issues, and maintenance activities. Our notification system provides real-time alerts via email when this component experiences issues or when service is restored.

Statusfield

Crossref Plus REST API Status

Operational

crossref.org ↗

checked Sep 17, 2026 3:44 AM UTC · Crossref Plus REST API's official status page

Is Crossref Plus REST API Currently Down?

No. Crossref Plus REST API is up and running.

Crossref Plus REST API is currently operational with all systems functioning normally.

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All Crossref components

Service health

The record

90 day period · not affected by the range above

Availability

99.77%

This component only

Incidents

Recorded for Plus REST API

Longest incident

2h 36m

Single worst stretch

Availability counts operational or degraded time as available for this component alone. Partial outages count as half downtime and major outages count in full, scheduled maintenance is excluded from the calculation, and periods with no recorded status are counted as available rather than assumed down. Figures cover this component only — the service-wide record is on the Plus REST API service page.

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Statusfield watches Crossref Plus REST API alongside the rest of your stack and tells you when its status changes. Email, Slack, Microsoft Teams, PagerDuty, and webhooks.

Email only. No password. Free.

Frequently asked questions about Crossref Plus REST API

Common questions about monitoring Plus REST API and reading its status.

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