I have a link like
https://www.braintreepayments.com/docs/dotnet/guide/overview
but i donot how to proceed .Any way i followed but i am getting error
https://www.braintreepayments.com/docs/dotnet/guide/secure_credit_card_storage while following this link
the error is like Braintree.Exceptions.AuthenticationException
Any one could you please explain how to do that ?I am trying this one from since last three days.Please tell me its very urgent