Increased HTTP 522 Errors in St. Louis

Minor · Started Sep 16, 2026 · 6:35 PM

Duration

< 1m
Severity

Minor
Detection lead

—
User reports

—

Summary

Increased HTTP 522 Errors in St. Louis

Customers may have observed elevated rates of HTTP 522 error responses from our St. Louis (STL) facility between approximately 16:35 and 16:55 UTC today, 2026-09-16.

Started

Sep 16, 2026 · 6:35 PM
Resolved

Sep 16, 2026 · 6:35 PM
Duration

< 1m
Severity

None

Event timeline

How this incident unfolded

✓

Resolved
Sep 16 · 6:35 PM Cloudflare

Customers may have observed elevated rates of HTTP 522 error responses from our St. Louis (STL) facility between approximately 16:35 and 16:55 UTC today, 2026-09-16.