Paypal Express and Authorization Holds
Source:
ActiveMerchant and Recurring Payments
Paypal Express Checkout Payment Actions
Paypal Express Integration Guide
Paypal Website Pro Integration Guide
ActiveMerchant rdoc
Source:
ActiveMerchant and Recurring Payments
Paypal Express Checkout Payment Actions
Paypal Express Integration Guide
Paypal Website Pro Integration Guide
ActiveMerchant rdoc