Best approach to a landing page/payment front end

[HAWK]

You could also use the subscriptions plugin to handle it directly within Discourse. That plugin is available on all hosted plans.

Discourse Subscriptions Plugin

Summary The Discourse Subscriptions plugin allows site owners to sell recurring and one-time purchase subscriptions that grant access to a group on a Discourse instance. Install Guide This plugin is bundled with Discourse core. There is no need to install the plugin separately. The Discourse Subscriptions plugin allows you to create one-time as well as recurring subscriptions that users can pay for in order to access gated content. This can be a great …