Log in to your PayPal Account (not Developer Dashboard) Go to Settings (gear icon, often bottom right) Click Notifications in the left sidebar Click Update next to "Instant Payment Notifications" Enter your IPN URL provided by Agency Pulse Invoice:
                https://yoursite.com/wp-json/agency-pulse-invoice/v1/webhook/paypal
                Replace "yoursite.com" with your actual domain Click Save Select which transaction types trigger notifications (all major ones should be selected)