Hello
@nitten,
Upon checking the coupon code visible in the invoice and the one you shared are different. To help us investigate the problem more effectively and assist you accordingly, could you please share the email address associated with your Pabbly Subscription Billing account?
Please be aware that to assist you effectively, we may need to access your Pabbly Subscription Billing account. If you're comfortable with this, please grant us permission by stating in your next reply: "You have my permission to log into my Pabbly Subscription Billing account, and edit{If required}. Here is the registered email address associated with it."