Nylas incident

High number of 504 API errors for EWS grants

Minor Resolved View vendor source →

Nylas experienced a minor incident on May 4, 2026, lasting 1h 22m. The incident has been resolved; the full update timeline is below.

Started
May 04, 2026, 02:03 PM UTC
Resolved
May 04, 2026, 03:25 PM UTC
Duration
1h 22m
Detected by Pingoru
May 04, 2026, 02:03 PM UTC

Update timeline

  1. investigating May 04, 2026, 02:03 PM UTC

    We are currently investigating an increase in 504 API errors for EWS (Exchange on-premise) grants. Grants connected to other providers are not affected.

  2. resolved May 04, 2026, 03:25 PM UTC

    We have deployed fixes to reduce the excessive 504 errors. They have returned to normal errors.