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Welcome to LaunchDarkly Docs
LaunchDarkly serves a suite of tools that help you ship your code safer, faster, and more effectively with whatever language and frameworks you use today.
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Build your first app
Build an application guarded by feature flags and learn how LaunchDarkly supports every step of the development lifecycle.
Add an SDK
Learn how to incorporate the LaunchDarkly SDKs into your application across client-side, server-side, edge, and AI runtimes.
Follow best practices
Best practices to help everyone succeed with LaunchDarkly, from flag hygiene to experimentation and rollout strategy.
Try the LaunchDarkly sandbox
Explore the product hands-on with the LaunchDarkly demo sandbox.
What’s new
See all updates →| Date | Change summary | Affected topics |
|---|---|---|
| June 2, 2026 | Publishes a new topic to describe the Flutter SDK observability plugin. | Flutter SDK observability reference |
| June 2, 2026 | Publishes a new topic to describe creating observability graphs. | Creating custom dashboards |
| June 2, 2026 | SCIM-based user provisioning is now available to Okta customers on the LaunchDarkly European Union (EU) instance. | Okta |
| May 29, 2026 | Adds documentation to describe metrics tools in the MCP server. | LaunchDarkly MCP server |
| May 28, 2026 | Updates the application metadata configuration topic to document Relay Proxy version 8.17.8 support. | Application metadata configuration |
| May 27, 2026 | Publishes a section of guides with brief explanations of how to use different features to get specific outcomes. | Cheatsheets |
| May 22, 2026 | Updates the approvals topic with information about approvals for experiments. | Approvals |
| May 19, 2026 | Publishes new and updated documentation to support AgentControl release. | AgentControl |
| May 18, 2026 | Publishes a topic on using the Observability metrics page. | Observability metrics |
| May 12, 2026 | Publishes a guide on migrating from Statsig to LaunchDarkly Experimentation. | Migrating from Statsig |
Explore our SDKs
Use client-side, server-side, or edge SDKs to evaluate flags. Use AI SDKs to customize configs from AgentControl.
Client-side and mobile SDKs
Server-side SDKs
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OpenFeature providers
Observability SDKs
Additional resources
Learn how to use LaunchDarkly with these other useful resources.
LaunchDarkly community
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LaunchDarkly YouTube
Watch videos covering integration demos, SDK overviews, a UI tutorial, and more.
LaunchDarkly Academy
Learn more with recommended courses, live or self-guided training, webinars, and other activities.
LaunchDarkly knowledge base
Find frequently asked questions and ways to contact LaunchDarkly Support.
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