07 April 2026, 20:37 UTC

Fastly Engineers detected a performance impacting event affecting the API Services, Image Optimization , Terraform and use of those services via the Fastly app.

Between 20:37 UTC and 21:15 UTC on April 7, 2026, customers attempting to disable Service Level products or enable/disable Image Optimizer via the API may have experienced errors, with affected requests returning 500 responses.

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