Outage in Nylas
High number of 504 API errors for EWS grants
Resolved MajorIncident Report
Summary AI Generated
Nylas experienced a major service incident where EWS (Exchange on-premise) grants generated an unusually high number of 504 API errors, while other provider connections remained unaffected. The engineering team deployed fixes that successfully restored normal error rates. The incident lasted 1.4 hours before being fully resolved.
We are currently investigating an increase in 504 API errors for EWS (Exchange on-premise) grants. Grants connected to other providers are not affected.
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Latest Updates ( sorted recent to last )
RESOLVED
18 days ago - at 05/04/2026 03:25PM
We have deployed fixes to reduce the excessive 504 errors. They have returned to normal errors.
INVESTIGATING
18 days ago - at 05/04/2026 02:03PM
We are currently investigating an increase in 504 API errors for EWS (Exchange on-premise) grants. Grants connected to other providers are not affected.
Latest Nylas outages
Some Notetaker API endpoints timing out - about 1 month ago
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