Good day @pravinkk, Thank you for posting to the PayPal community. notify_url : The URL to which PayPal posts information about the payment, in the form of Instant Payment Notification messages. https://developer.paypal.com/api/nvp-soap/paypal-payments-standard/integration-guide/Appx-websitestandard-htmlvariables/#link-technicalvariables PayPal will send the IPN payment notification messages, if merchant pass the notify_url parameter in your website API request call to PayPal system. The notify_url passed in your website button code/API request call will override the IPN feature settings mentioned in your PayPal account. Guide link for "Notify_URL" - https://developer.paypal.com/docs/api-basics/notifications/ipn/IPNSetup/?mark=dynamicall#dynamically-setting-the-notification-url If merchant have already setup the IPN Notifications on PayPal, they can avoid pass the notify_url value in the website button code/API request call. Sincerely, Chiranjeevi PayPal/Braintree MTS If this post or any other was helpful, please enrich the community by giving kudos or accepting it as a solution.
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