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Nylas v3 status
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Nylas v3 Incident History

Operational

nylas.com ↗3 top-level components

checked Nov 1, 2026 2:44 PM UTC · Nylas v3's official status page

Nylas v3 is up and running.

Nylas v3 is currently operational with all systems functioning normally.

All components operational

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Nylas v3 incident history

2 reports published by Nylas v3 in the last 30 days · 2 still open

When Nylas v3 breaks, it is typically resolved in 1d 11h — median across 1 resolved incidents over 30 days.

October 22, 2026

[US/EU] Sandbox Apps - Microsoft 365 - Authentication Failures Using Nylas Shared Credentials

Ongoing · last update

  1. identifiedOct 23 · 21:04 UTC

    Mitigated - The fix for Microsoft / Office 365 authentication failures affecting Sandbox applications using Nylas-provided shared credentials remains available.

    Affected customers can restore authentication by following the instructions in our previous update. Step 1 (Update your Sandbox credentials) should be completed regardless of the additional automated remediation described below. Any Microsoft grants that became invalid will still require reauthentication.

    We have successfully completed testing of an additional automated credential update, which is planned for Monday, October 26, to further address affected existing Sandbox applications.

    If you are still experiencing authentication issues, please follow the instructions in our previous update or contact support@nylas.com for assistance.

    Production applications and applications using their own Microsoft Azure credentials remain unaffected.

    We will provide a final update once the remaining remediation work is complete.

Reported by Nylas v3 on their status page.

[US/EU] Sandbox Apps - Microsoft 365 - Authentication Failures Using Nylas Shared Credentials

Ongoing · last update

  1. UpdateOct 23 · 21:04 UTC

    Mitigated - The fix for Microsoft / Office 365 authentication failures affecting Sandbox applications using Nylas-provided shared credentials remains available.Affected customers can restore authentication by following the instructions in our previous update. Step 1 (Update your Sandbox credentials) should be completed regardless of the additional automated remediation described below. Any Microsoft grants that became invalid will still require reauthentication.We have successfully completed testing of an additional automated credential update, which is planned for Monday, October 26, to further address affected existing Sandbox applications.If you are still experiencing authentication issues, please follow the instructions in our previous update or contact support@nylas.com for assistance.Production applications and applications using their own Microsoft Azure credentials remain unaffected.We will provide a final update once the remaining remediation work is complete.

Reported by Nylas v3 on their status page.