> For the complete documentation index, see [llms.txt](https://docs.poppin.so/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.poppin.so/faq.md).

# FAQ

**Do I need a backend?**\
No — only a frontend script is required. JWT setup for logged-in users is optional.

**Is Poppin GDPR compliant?**\
Yes — data is stored only for users who actively interact. Authentication is handled client-side.

**Can I hide Poppin on certain pages?**\
Yes — just don’t include the script on pages where you don’t want it active.

**What’s the difference between the extension and API?**\
The extension lets anyone use Poppin across any site. The API is for platforms that want to embed Poppin natively.