Add New iFrame
Launch the Wix App Market Search for the HTML iFrame element. Add it to your site.
Paste the Code
Open the iFrame's HTML Settings. Switch to HTML code under Mode Copy and paste this block of code into the box. Update and close the settings window.
Save and Publish
The iFrame will now contain your Payment Form App. You may now reposition and adjust the size of your Payment Form App in the Wix website editor. Don't forget to click on Save and Publish in the Wix website editor to save your changes and publish them on your live website. If you go to your live website, the Payment Form App will be visible. You may customize the App directly inside of the live, published Wix page.
Start to customize your Payment Form App:
Visit your live Wix web page and click the gear icon in the top right corner of your Payment Form App.