Major incident

Alpaca: Intermittent HTTP 500 errors across Multiple API's

Affected: Orders API, https://data.alpaca.markets/v2/stocks/bars, https://data.alpaca.markets/v2/stocks/trades

Current status of Alpaca: Operational — live Alpaca status

Timeline

1. Sep 11, 2026, 16:56 UTC
   investigating
   We are seeing elevated errors on some endpoints, including order placement. Our team is working to restore service and will update you shortly.
2. Sep 11, 2026, 17:02 UTC
   investigating
   This is being treated with the highest priority, and our team is actively working to restore normal service. We will share another update shortly.
3. Sep 11, 2026, 17:09 UTC
   monitoring
   We are no longer seeing 500 errors over the past few minutes. Our team is continuing to monitor the system closely for any further issues.
4. Sep 11, 2026, 17:12 UTC
   monitoring
   We are continuing to monitor for any further issues.
5. Sep 11, 2026, 17:18 UTC
   monitoring
   We are seeing signs of recovery and have not observed 500 errors recently. We are continuing to monitor the system to ensure everything remains stable.
6. Sep 11, 2026, 17:25 UTC
   resolved
   We are no longer observing errors and are marking this incident as resolved. Our team will continue monitoring to ensure stability. Please reach out if you experience any further issues

Updates as published by Alpaca (original).