# Mixpanel: Degraded Service for Requests to decide.mixpanel.com

- Provider: [Mixpanel](https://outages.cc/mixpanel.md)
- Type: Incident
- State: Resolved
- Worst impact: Operational
- Started: 2026-10-21 18:00 UTC
- Resolved: 2026-10-22 01:34 UTC (lasted 7 h 33 min)
- Official update: https://stspg.io/40d37f52s2qx

## Updates from Mixpanel

### postmortem, 2026-10-24 01:58 UTC

# **Mixpanel RCA: Requests to** [**decide.mixpanel.com**](http://decide.mixpanel.com) **Failed, October 15–21, 2026** ### **Summary** From Oct 15, 2026 to Oct 21, 2026, requests sent to `decide.mixpanel.com` and `api-decide.mixpanel.com` failed. This affected customers who sent event tracking, profile updates, or feature flag requests to this hostname, usually through a proxy. Events sent to this domain during this window were not received by Mixpanel and this data cannot be restored by Mixpanel. **Traffic sent to** `api.mixpanel.com`**,** `api-js.mixpanel.com,` `api-eu.mixpanel.com`**, and** `api-in.mixpanel.com` **were not affected.** Service on this hostname was unintentionally impacted while we were removing the `/decide` endpoint infrastructure. The hostnames were treated as part of the endpoint due to an incorrect understanding of system dependencies. To prevent this class of issue, we are adding traffic monitoring for the `decide.mixpanel.com` and `api-decide.mixpanel.com` hostn

### resolved, 2026-10-22 01:34 UTC

This incident has been resolved.

### monitoring, 2026-10-21 18:00 UTC

We've received reports that requests to decide.mixpanel.com are failing. Any traffic sent through decide.mixpanel.com may be affected, including feature flags and event tracking. To restore service now, point requests to api.mixpanel.com (US), api-eu.mixpanel.com (EU), or api-in.mixpanel.com (IN), depending on your project's Data Residency. We've rolled out a mitigation and are monitoring the results. We're seeing traffic restored. We will post progress updates on our status page. If you have any questions, please contact support.