Yes, you can use Memberstack with your own hosting provider. Whether you choose to host your website on Webflow or another hosting provider like AWS, you can install the Memberstack code on your website. The installation process is the same for both Webflow and custom websites. You simply need to add the Memberstack install code to the header of your website. This allows you to take advantage of Memberstack's integration and features without being limited to Webflow's hosting.