There are various things required when using the PayPal Payments Pro Add-On. The biggest of these being a valid SSL certificate installed and configured on your server. If you’re not sure about this, contact your web host for more information.
Requirements
- Gravity Forms v1.9.16+
- Latest version of WordPress
- SSL Certificate Installed and Configured
- PCI Compliance
- PayPal Payments Pro account with PayFlow API support.