stack/docs-mintlify/guides/faq.mdx
2026-04-08 17:12:27 -05:00

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---
title: FAQ
description: Frequently asked questions about Stack
sidebarTitle: FAQ
---
# FAQ
## Languages & Frameworks
<AccordionGroup>
<Accordion title="What languages are supported?">
For frontends, Stack supports TypeScript and JavaScript. For backends, Stack has a flexible [REST API](/api/overview) that can be used with any language or framework.
</Accordion>
<Accordion title="Can I use Stack with other JavaScript frameworks, like Astro or Angular?">
Yes! You can use our vanilla JavaScript SDK, or, if the framework is React-based, our React SDK.
</Accordion>
<Accordion title="Can I use Stack with the Next.js pages router?">
Only the Next.js app router is currently officially supported, although some members of the community have successfully used the React or vanilla JavaScript SDKs with the pages router.
</Accordion>
</AccordionGroup>
## Product
<AccordionGroup>
<Accordion title="How do you compare to `<X>`?">
Ask yourself about `<X>`:
- Is `<X>` open-source?
- Is `<X>` developer-friendly, well-documented, and lets you get started in minutes?
- Besides authentication, does `<X>` also do authorization and user management (see feature list below)?
If you answered "no" to any of these questions, then that's how Stack Auth is different from `<X>`.
</Accordion>
<Accordion title="Can I migrate my existing userbase to Stack Auth?">
Yes! You can [create users programmatically](/api/server/users/create-user) using our [REST API](/api/overview).
</Accordion>
</AccordionGroup>
## Other
<AccordionGroup>
<Accordion title="How can I contribute?">
Please carefully read our [CONTRIBUTING.md](https://github.com/stack-auth/stack-auth/blob/dev/CONTRIBUTING.md).
</Accordion>
</AccordionGroup>