Follow this article to learn how to embed your payment form.
Once you save your product sequence go to the code snippet section located next to the preview text.
The code snippet should be placed where you want the payment form to appear.
You will find two scripts. One script should be placed in the head section of your page.
The second script should be placed on your individual page.
If you’re using Webflow (or a similar service) you can place the second script in an embed element.