# Platform availability for Studio SSO users

- Provider: [Apollo GraphOS](https://down.guide/apollo)
- Level: confirmed
- Impact: Major outage
- lasted 42m
- started 2026-04-21 17:05 UTC
- id: DWN-ab3c7f001a
- Official page: https://status.apollographql.com/incidents/01KPRG2N19YY24QCBYESX9EF27

## Updates from Apollo GraphOS
### 2026-04-21 17:05 UTC: investigating
We’re investigating the availability of our platform after a recent deploy.

### 2026-04-21 17:20 UTC: monitoring
We have restored functionality to impacted users SSO access and are monitoring.

### 2026-04-21 17:47 UTC: resolved
SSO login is now fixed.

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