Retrospective: Impacted Performance in API Services

Informational
09 December 2025, 19:29 UTC

Retrospective: Impacted Performance in API Services

Status: closed
Date: 09 December 2025, 16:25 UTC
End: 09 December 2025, 19:29 UTC
Duration: 3 hours 4 minutes
Affected Components:
Fastly Fastly Application API & Configuration Management API Services
Affected Groups:
All Public Users
Monitoring

09 December 2025, 16:25 UTC

09 December 2025, 16:25 UTC

Fastly Engineers detected a performance impacting event affecting our API Services.

All other data centers and services were unaffected. The issue has been resolved and we are monitoring performance closely.

Resolved

09 December 2025, 19:29 UTC

09 December 2025, 19:29 UTC

During this incident, customers may have experienced incorrect service versions displayed in the Fastly Control Panel or elevated errors when some API service versions were attempted from 16:25 to 19:29 UTC.

This incident is resolved.

For more information about this retrospective status post, please reach out to Support through https://support.fastly.com.