> For the complete documentation index, see [llms.txt](https://docs.abtasty.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.abtasty.com/feature-experimentation-and-rollout/sdk-and-environments.md).

# SDK & Environments

This section covers the technical foundations required to run Feature Experimentation & Rollout in your website or application.

This section covers the technical foundations required to run Feature Experimentation & Rollout (FE\&R) in your website or application.

You’ll find everything you need to:

* connect and synchronize your SDK with FE\&R,
* create and manage environments to safely deploy features,
* verify that your setup is working correctly before launching campaigns.


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