> For the complete documentation index, see [llms.txt](https://docs.sirplugin.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sirplugin.com/faqs/billing.md). # Billing Questions ### What payment methods do you accept? We accept all major credit and debit cards, Apple Pay, Google Pay. ### Can I upgrade to another license later? Yes you can! email and we'll provide you with your upgrade link. ### How is VAT handled? VAT is automatically handled during checkout. If you have a VAT ID, you can enter it during the process, and our payment processor will calculate the appropriate VAT based on your location and status. ### How do I get an invoice? After your purchase, you will receive a receipt with an attached PDF invoice for your payment. ### How do I download the plugin and license key? After purchase, you will receive an email containing your download link and license key. You can also access them by logging into your account at . ### Do you offer refunds? Yes, we offer a 14-day money-back guarantee on all plans. If you're not satisfied with the plugin, you can request a full refund within 14 days of your purchase. ### Having a trouble making your purchase or haven't received the product? Contact us at , and we’ll be happy to assist you.