On May 19-20, 2026, we experienced intermittent instability in the Carbon Query API. During this period, some requests experienced elevated latency, timeouts, or intermittent failures.
There was no data loss and no security impact.
Impact
The incident affected API availability and latency globally. Some clients may have seen slower API responses, intermittent request timeouts, or intermittent server errors. Retrying affected requests may have succeeded.
Root Cause
The issue was...