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Outage in Nylas

US – Elevated API Errors and Increased Latency

Resolved Minor
February 24, 2026 - Started about 2 months ago - Lasted about 2 hours
Official incident page

Incident Report

Summary AI Generated

Nylas experienced elevated API error rates and increased latency in their US v3 production environment for 1.9 hours, causing intermittent 500 errors and delayed webhooks for a subset of customers. The engineering team identified the root cause and implemented mitigation steps that successfully restored normal API performance and latency levels. Additional preventative measures are being implemented to increase capacity and reduce the risk of similar issues during peak traffic periods.

We are currently experiencing elevated API error rates and increased latency in the US v3 production environment, affecting a subset of customers. This may result in intermittent 500 errors and delayed webhooks. Our engineering team has identified the issue and is actively working on mitigation. We will continue to share updates here.

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Latest Updates ( sorted recent to last )
RESOLVED about 2 months ago - at 02/24/2026 09:25PM

API error rates and latency in the US v3 production environment have returned to normal levels. The mitigation steps implemented earlier have stabilized the system.

We will continue to monitor closely and are implementing additional preventative measures to increase capacity and reduce the risk of recurrence during peak traffic.

Thank you for your patience.

MONITORING about 2 months ago - at 02/24/2026 09:16PM

Mitigation steps have been successfully implemented, and API error rates and latency in the US v3 production environment have returned to normal levels.

We are continuing to closely monitor the environment to ensure stability. We will provide a final update once we confirm the issue is fully resolved.

IDENTIFIED about 2 months ago - at 02/24/2026 08:08PM

We have identified the underlying issue contributing to elevated API error rates and increased latency in the US v3 production environment. Our engineering team is actively working on mitigation.

Customers may continue to experience intermittent 500 errors and delayed webhooks while mitigation efforts are underway. We will continue to provide updates as progress is made.

INVESTIGATING about 2 months ago - at 02/24/2026 07:30PM

We are currently experiencing elevated API error rates and increased latency in the US v3 production environment, affecting a subset of customers. This may result in intermittent 500 errors and delayed webhooks. Our engineering team has identified the issue and is actively working on mitigation. We will continue to share updates here.

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