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How do I integrate PayPal Payments Pro with Miva Merchant?
Log in to your Miva Merchant admin panel.
Click Add/Remove Modules.
Click Install for module PayPal Express Checkout and/or Payments Pro.
Set Operation Mode to Production.
Select your preferred Currency.
Select API Credentials for payments and post-checkout operations.
Click the button for PayPal Payments Pro.
Enter your PayPal API Username and Password twice.