A: Hello,

Thank you for your question.

The features you mentioned—Coupons, Invoices, Webhooks, and Gift Cards—are not included in any of the tiers. These add-ons must be purchased individually through our Boostore. Please check the screenshot. https://prnt.sc/PdftkR8e_pkC

If you have any further questions or need assistance, feel free to let us know!

Best Regards,
The Booknetic Team