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Technical Support Content
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Most popular Technical Support Articles
Where can I find test credit card numbers?  
What are the IP addresses for Payflow servers?  
How do I create a discount code or coupon code for my PayPal buttons?  
What is PayPal Invoicing and how does it work?  
How do I issue a credit (refund) to a customer?  
What is the Payouts API and how do I enable it on my account?  
How do I integrate Payflow Pro with Magento Community Edition 1.7.0.2?  
How do I edit the information in my PayPal Payments Standard buttons?  
How do I view emails sent to my Sandbox account?  
How do I whitelist my server’s IP address so it can access PayPal APIs?