Yes, you can change the payment link notification template that is applicable for Email. Please kindly follow this step : 

• Log in to your Xendit dashboard
• Go to Settings > checkout
• Scroll down to Notification section
• There are 3 notification type that you can choose : 
  • Physical and Digital Product
  • Education and Training
  • Donation
• You can choose which one is the best for your business

Note : It is not applicable for Whatsapp notification