Changes / Zapier / Logging into Zapier using Facebook or Microsoft SSO shown a blank page after authentication.
Zapier: Major incident: Logging into Zapier using Facebook or Microsoft SSO shown a blank page after authentication.
Summary
Zapier reported a major outage affecting Facebook and Microsoft SSO: authentication succeeded, but users saw a blank page; a hard refresh or new tab allowed access. It started at 2026-10-05 18:54 UTC and was resolved at 2026-10-05 19:46 UTC, lasting 51 min. Engineering released a fix and confirmed both SSO methods were working.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
Major incidentLabel: outage (model (Jev), 92%)Changed Detected Source: status.zapier.com (opens in new tab)
What changed
Before: not present
After: Logging into Zapier using Facebook or Microsoft SSO shown a blank page after authentication.
Before: not present
After: major
Before: not present
After: resolved
Before: not present
After: 2026-10-05 18:54 UTC
Before: not present
After: 2026-10-05 19:46 UTC
Before: not present
After: Our Engineering team is aware of an issue affecting users who sign into Zapier.com "Zapier.com": http://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.
Before: not present
After: 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.
Before: not present
After: 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 "zapier.com/get-help": http://zapier.com/get-help
Thank you for your patience as we worked to resolve the issue.
First version of this incident archived by Rewindex. View the live incident (opens in new tab).
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Logging into Zapier using Facebook or Microsoft SSO shown a blank page after authentication. (this change) Zapier reported a major outage affecting Facebook and Microsoft SSO: authentication succeeded, but users saw a blank page; a hard refresh or new tab allowed access. It started at 2026-10-05 18:54 UTC and was resolved at 2026-10-05 19:46 UTC, lasting 51 min. Engineering released a fix and confirmed both SSO methods were working. | Major incident |