PayPal REST API .net SDK - 400 Bad Requests

Question

I\'m working in the sandbox and using the PayPal REST .net SDK method Payment.Create with a CreditCard object. When all parameters are valid and using the test CC number from h

Answer 1

All of the above solution of dont really grasp the problem ..

I ran in to a similar problem a while back .. after debugging my code i found out that the transaction that i was making was logically wrong.. the subtotal was off be $0.25 and paypal server saw it and refused to process it, and gave me 400 bad request