Does anyone have this working?
The instructions here: http://docs.foxycart.com/gateways/paypal/express_checkout?s=paypal&s=sandbox
are not working for me. I've tried using both the _biz email address of the seller that PayPal generates, the email address for the sandbox account directly, logged in to the sandbox on my browser before testing, etc. All I ever get is the page that requests to login to PayPal sandbox. Sigh.
Would like to be able to test the full checkout flow on a currently developer account (not live yet).
Are there other ways to test the full payment flow, getting quite frustrated with PayPal sandbox by now. Hope Google Checkout payment integration is coming soon, their sandbox was trivial to test -- at least outside any ecommerce platform.
Thanks for any tips or hints.