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

# Product Questions

- [Are there any regional restrictions?](https://kindproxy.gitbook.io/kindproxy-docs/faq/product-questions/are-there-any-regional-restrictions.md)
- [Which countries does the residential traffic come from?](https://kindproxy.gitbook.io/kindproxy-docs/faq/product-questions/which-countries-does-the-residential-traffic-come-from.md)
- [How do I choose between Unlimited Plans and Traffic Plans?](https://kindproxy.gitbook.io/kindproxy-docs/faq/product-questions/how-do-i-choose-between-unlimited-plans-and-traffic-plans.md)
- [Proxy Security & IP Traceability](https://kindproxy.gitbook.io/kindproxy-docs/faq/product-questions/proxy-security-and-ip-traceability.md)
- [How many threads or connections can your proxy handle at the same time?](https://kindproxy.gitbook.io/kindproxy-docs/faq/product-questions/how-many-threads-or-connections-can-your-proxy-handle-at-the-same-time.md)
- [What authentication methods does the Traffic Plan support?](https://kindproxy.gitbook.io/kindproxy-docs/faq/product-questions/what-authentication-methods-does-the-traffic-plan-support.md)
- [What authentication methods does the Unlimited Plan support?](https://kindproxy.gitbook.io/kindproxy-docs/faq/product-questions/what-authentication-methods-does-the-unlimited-plan-support.md)
- [Can I use the proxy with my browser?](https://kindproxy.gitbook.io/kindproxy-docs/faq/product-questions/can-i-use-the-proxy-with-my-browser.md)
- [Understanding Native vs Broadcast Residential IPs](https://kindproxy.gitbook.io/kindproxy-docs/faq/product-questions/understanding-native-vs-broadcast-residential-ips.md)