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Outage in Alpaca

Elevated Error Rates Across multiple AP's - 500 Error

Resolved Minor
January 12, 2026 - Started 2 months ago - Lasted about 4 hours
Official incident page

Incident Report

We are currently investigating elevated error rates on multiple API. Some requests may fail with HTTP 500 responses. Our engineering team is actively working to identify and resolve the root cause.

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Latest Updates ( sorted recent to last )
RESOLVED 2 months ago - at 01/12/2026 06:50PM

Our team has mitigated the incident. All systems are operational and customer impact has ceased. We are continuing our root cause analysis to prevent recurrence.

MONITORING 2 months ago - at 01/12/2026 06:05PM

We have not observed any abnormalities since the system stabilised. We will close this incident after 45 minutes. Root cause analysis will continue, and findings will be shared separately. Thank you for your patience.

MONITORING 2 months ago - at 01/12/2026 05:48PM

The system has stabilized and no issues are currently being observed. Our team continues to work on identifying the root cause and will provide an update once we have more information.

MONITORING 2 months ago - at 01/12/2026 05:35PM

we are still monitoring the system.

MONITORING 2 months ago - at 01/12/2026 05:20PM

All API endpoints are operating normally. We are continuing to investigate the root cause and will share findings once available. Thank you for your patience.

MONITORING 2 months ago - at 01/12/2026 05:08PM

Our investigation continues to make progress. We have analysed system behavior during the affected periods and have narrowed our focus to connection management, which we believe may be contributing to the intermittent issues. We are encouraged that most impacted requests are ultimately completing successfully. The team remains fully engaged and is working toward a resolution. We appreciate your patience and will keep you informed as we learn more.

MONITORING 2 months ago - at 01/12/2026 04:55PM

Our investigation is progressing. We have identified several contributing factors and are actively analyzing traffic patterns, system behavior, and recent changes to determine the root cause. The team is working diligently toward a full resolution and will continue to provide updates.

MONITORING 2 months ago - at 01/12/2026 04:45PM

We continue to see intermittent timeouts on an order-handling service, occasionally impacting orders and account/position lookups—though most requests are completing successfully. Our engineers are actively isolating affected pods, capturing diagnostic data, and restarting them to restore stability. We are also investigating database behavior and traffic patterns to identify the underlying root cause.

MONITORING 2 months ago - at 01/12/2026 04:22PM

The system has largely stabilised and the majority of requests are completing successfully. We are still observing intermittent timeouts (~3-5%) affecting position updates. Our engineering team is actively investigating the root cause related to high-volume data requests and working toward a full resolution. We will continue to provide updates as we make progress.

MONITORING 2 months ago - at 01/12/2026 04:02PM

We are continuing to address the issue. Clients may still experience intermittent 5xx errors.

MONITORING 2 months ago - at 01/12/2026 03:50PM

We are continuing to address the issue. Clients may still experience intermittent 5xx errors

MONITORING 2 months ago - at 01/12/2026 03:33PM

We have identified another increase in 5xx errors. We are actively addressing and will provide more updates. clients may still experience intermittent timeouts on order placement while we fix the issue.

MONITORING 2 months ago - at 01/12/2026 03:20PM

We are no longer observing 500 errors across our API endpoints. All services are now accessible, and we are continuing to monitor for any further issues.

MONITORING 2 months ago - at 01/12/2026 03:14PM

The team identified and addressed the underlying issue. We are seeing our API's recovering. The team is continuing to monitor performance. We will continue to provide updates

IDENTIFIED 2 months ago - at 01/12/2026 03:08PM

Our team is actively addressing the issue, clients may still experience intermittent timeouts on order placement while we fix the issue.

INVESTIGATING 2 months ago - at 01/12/2026 02:58PM

We are currently investigating elevated error rates on multiple API. Some requests may fail with HTTP 500 responses. Our engineering team is actively working to identify and resolve the root cause.

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