# Logging into Zapier using Facebook or Microsoft SSO shown a blank page after authentication.

- Provider: [Zapier](https://down.guide/zapier)
- Level: confirmed
- Impact: Partial outage
- lasted 51m
- started 2026-10-05 18:54 UTC
- id: DWN-1481f11ef8
- Official page: https://status.zapier.com/incidents/01M46PNZQTBTNRCQVW1WZ8846V

## Root cause
> We are investigating the issue and will give another update as soon as we find the cause.

[Postmortem](https://status.zapier.com/incidents/01M46PNZQTBTNRCQVW1WZ8846V)

## Updates from Zapier
### 2026-10-05 18:54 UTC: investigating
Our Engineering team is aware of an issue affecting users who sign into \[Zapier.com\](http://Zapier.com "Zapier.com") using Facebook or Microsoft Single Sign-On (SSO).
Users logging into Zapier with these services will see a blank screen after authenticating. The login authentication is successful; however, the page can be accessed after a hard refresh or by opening a new tab.
We are investigating the issue and will give another update as soon as we find the cause.

### 2026-10-05 19:42 UTC: monitoring
Our Engineering team has identified the issue and has released a fix. We're now monitoring our systems to see if there are any other problems that could result from the fix.

### 2026-10-05 19:46 UTC: resolved
The issue is now considered resolved, with both Facebook and Microsoft single sign-on working as expected.
If you find yourself still unable to log in, please reach out to our Support team at \[zapier.com/get-help\](http://zapier.com/get-help "zapier.com/get-help")
Thank you for your patience as we worked to resolve the issue.

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