WorkOS

Authentication

Website

Resolving…

Description

WorkOS is a developer platform that provides enterprise-ready authentication and user management infrastructure. It offers SSO, directory sync, user provisioning, and authentication APIs to help developers build enterprise features quickly without managing complex identity infrastructure.

Status Page

https://status.workos.com

Recent Incidents (Last 24 Hours)

Last refresh: 2026-08-17 13:57 UTC (21m ago)

Delayed Email Deliverability

Resolved

Microsoft's Outlook team has confirmed that mitigations have been implemented. We've verified that email delivery to Microsoft 365 domains is operating normally again. This incident has been resolved.

Incident

Location: —

Started: 2026-08-15 00:24 UTC (2d ago)

Updated: 2026-08-16 22:04 UTC (16h ago)

Resolved: 2026-08-16 22:04 UTC (16h ago)

2026-08-15 16:21 UTC (1d ago) : We continue to see email deliverability issues to a subset of Microsoft 365 tenant domains. This does not affect consumer domains such as outlook.com, hotmail.com, live.com or msn.com. We will provide updates as they become available.

2026-08-15 03:32 UTC (2d ago) : We are observing improvements in deliverability to Microsoft email addresses, in line with the resolution of an incident with our upstream email service provider. We will continue to monitor.

2026-08-15 01:35 UTC (2d ago) : We continue to experience deliverability delays to a subset of users with email addresses hosted by Microsoft / Office 365. We are working with our email providers to mitigate the issues, we will provide updates as they become available. Customers using their own custom email providers are not affected.