I am trying to setup PayPal Credit through the SetExpressCheckout API Operation. A standard payment is fine but I am having an issue setting the PayPal landing page to their Credit service.
I have seen this done elsewhere, for example on the Dyson and Apple webstores, where there is a separate PayPal Credit button which leads to a page where the customer can select their installment plan. As such: http://oi63.tinypic.com/r09w1c.jpg
Looking at the demos and documentation, it seems all that is needed are the options LANDINGPAGE=Billing&USERSELECTEDFUNDINGSOURCE=BML
This however doesn't work and takes the customer to an old style PayPal checkout.
Even the PayPal Credit demos on https://demo.paypal.com don't seem to work anymore when you change them from Static to Sandbox.
Has anyone managed to set this up successfully?