> ## Documentation Index > Fetch the complete documentation index at: https://launchdarkly-preview.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # How to set up a kill switch for any feature in production > This video explains how to use LaunchDarkly to create a kill switch that disables a feature in production. > For the complete documentation index, see [llms.txt](/llms.txt). For the full documentation snapshot, see [llms-full.txt](/llms-full.txt). ## Overview This video explains how to use LaunchDarkly to create a kill switch. When traffic spikes or an external service fails, you shouldn’t need to redeploy just to stop the bleeding. This walkthrough demonstrates how to build a kill switch that enables you to shut down flaky endpoints, risky features, or third-party APIs on the fly. The best part? You stay in control—without touching your code. ## How to set up a kill switch for any feature in production