Outage in Nylas
[US/EU] Delayed or Missing Webhooks Across Providers
Resolved MajorIncident Report
Summary AI Generated
Nylas experienced a 7.3-hour major incident in which webhooks were delayed or missing for Microsoft and Google grants, initially in the US region before expanding to all providers across both US and EU regions. A fix was deployed, all affected grants were recovered, and the backlog of delayed webhooks was fully processed and delivered. Services returned to normal operation upon resolution.
We are investigating an issue with missing or delayed webhooks for Microsoft and Google grants in the US region.
EU region and all IMAP and EWS grants for both regions are working correctly.
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Latest Updates ( sorted recent to last )
RESOLVED
2 days ago - at 08/19/2026 11:28PM
All services have returned to normal operations, and webhook latency and delivery volume have returned to expected levels. All affected webhooks were successfully recovered and delivered.
Thank you for your patience while we worked to address this issue.
MONITORING
2 days ago - at 08/19/2026 08:20PM
Mitigated - We have recovered all affected grants, and webhook delivery has returned to normal levels.
Some previously delayed messages are still being processed, and we are closely monitoring the remaining backlog to ensure delivery completes successfully.
IDENTIFIED
2 days ago - at 08/19/2026 06:01PM
We are continuing to work on restoring webhook delivery for affected grants.
We will provide another update as recovery progresses.
IDENTIFIED
2 days ago - at 08/19/2026 05:26PM
We are working to deploy a fix for the issue causing missing or delayed webhooks across providers in the US and EU regions.
We will provide another update as this work progresses.
INVESTIGATING
2 days ago - at 08/19/2026 05:00PM
We are continuing to investigate missing or delayed webhooks. Based on our investigation, we have expanded the scope of the issue to include all providers in both the US and EU regions.
We will provide another update as our investigation progresses.
INVESTIGATING
2 days ago - at 08/19/2026 04:11PM
We are investigating an issue with missing or delayed webhooks for Microsoft and Google grants in the US region.
EU region and all IMAP and EWS grants for both regions are working correctly.
Latest Nylas outages
[US/EU] Elevated Errors for Attachments API Requests on Microsoft Exchange (EWS) Grants - 7 days ago
[US] Higher Latency for New and Updated Messages - 10 days ago
[EU] Some Message Webhooks Missing - 28 days ago
[US & EU] - Notetaker - Zoom Meetings - Degraded Join Rates - about 1 month ago
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