By activating PayPal “Instant Payment Notification” or IPN, you can receive messages about payments and other transactional events directly from PayPal to your website’s back-end system. All these messages are generated and stored at PayPal. To receive these messages, you need to activate your IPN.
How to Activate PayPal IPN
1.To activate IPN, you need to login to your PayPal account. After login to your account, click on “Profile”. (See Below Screenshot)
2.Then you need to click on “Instant Payment Notification Preferences”. (See Below Screenshot)
3.Click on “Choose IPN Settings” (See Below Screenshot)
4.Under “Edit Instant Payment Notification (IPN) Settings” type the URL
https://www.muvi.com/notifypaypal/ipn in the “Notification URL’ box. Then under “IPN Messages”, select the option “Receive IPN Messages(Enabled)”. Finally, click on “Save”.